cross-number puzzle 1 - australian teacher · pdf filemaths strand puzzle title page timee...

© Intelligent Australia Productions 1

Crossword Maths Vol 2

Intelligent Australia Productions

First published in 2006 by Intelligent Australia Productions

© Ron Shaw 2006

ISBN 0-9756975-8-7

IAP 007

Intelligent Australia Productions PO Box 670 Hillarys, WA 6923 Australia

Tel: (08) 9307 8365 Fax: (08) 9402 2339 Email: [email protected] This book is dedicated to: Casey

Copying Instructions The contents of this publication may only be reproduced by the original purchaser for use within their own educational institution. The publisher prohibits the loaning or on-selling of this publication for the purposes of reproduction.

Under the Australian Copyright Act 1968 a remuneration notice must be given to Copyright Agency Limited (CAL). For details of the CAL licence for educational institutions, contact CAL, 19/157 Liverpool St, Sydney NSW 2000, tel: (02) 9394 7600, fax: (02) 9394 7601, email: [email protected].

Intelligent Australia Productions is committed to raising standards in Literacy and Numeracy in Australian schools.


Postal Address IAP PO Box 670 Hillarys, WA Australia 6923 Email [email protected]

Telephone (08) 9307 8365 Int’l (618) 9307 8365

Fax (08) 9402 2339 Int’l (618) 9402 2339

Intelligent Australia Productions is committed to raising standards in Literacy and Numeracy in Australian schools.


Maths Strand Puzzle Title Page

TTiimmee It’s Time

5-8

MMiixxeedd Maths Mixture 9-12

CCuubbeess aanndd CCuubbee RRoooottss Just Cubes 13-16

MMoonneeyy All about Money 17-20

SSppaaccee Solid Shapes Solid Shapes 21-24

GGeeoommeettrryy All things Geometry 25-28

PPrroobblleemm SSoollvviinngg Try These 29-32

MMiixxeedd Maths-a-Mix 33-36

FFrraaccttiioonnss,, DDeecciimmaallss

aanndd PPeerrcceennttaaggeess Bits ‘n Pieces 37-40

FFoorrmmuullaaee Formulae 41-44

HHiigghheerr PPoowweerrss Higher Powers 45-48

PPllaaccee VVaalluuee Know Your Place 49-52

MMaatthheemmaattiiccaall TTeerrmmss There’s a Word for That 53-56

MMeeaassuurreemmeenntt How Long, How Heavy, How Much? 57-60

MMiixxeedd All Mixed 61-64

FFrraaccttiioonnss,, DDeecciimmaallss

aanndd PPeerrcceennttaaggeess Small and Smaller 65-68

DDeessiiggnn yyoouurr oowwnn MMaatthhss CCrroosssswwoorrdd

69-70

SSoolluuttiioonnss 71-79


Over hundreds of years, across many lands, Crosswords have combined successful learning with fun. The sense of achievement in solving a clue is surpassed only by the successful completion of the crossword itself.

The puzzles in this book -designed to reinforce mathematical terms, concepts and skills- provide a fun alternative to traditional maths revision activities.

The book provides students with a new, effective method of consolidating maths concepts that cover a broad spectrum of the curriculum. There is a crossword to consolidate almost every Maths concept.

There are 16 puzzles, designed to cater for students of all abilities. The puzzles are of varying degrees of difficulty: easy medium challenging very challenging

There are crosswords on Problem Solving where students are required to use their higher thinking skills (sequential and logical) in order to arrive at the correct solutions. Fractions, Decimals and Percentages, with conversions between each, feature prominently. Other crosswords cover Formulae, Space (Solid Shapes), Higher Powers, Geometry, Cubes and Cube Roots, Mathematical Terms and Place Value.

Solutions to all puzzles are included.

Mathematical strands covered by the Crosswords in this book. PPrroobblleemm SSoollvviinngg

FFrraaccttiioonnss,, DDeecciimmaallss aanndd PPeerrcceennttaaggeess

MMoonneeyy

TTiimmee

GGeeoommeettrryy

MMeeaassuurreemmeenntt

SSppaaccee Solid Shapes

PPllaaccee VVaalluuee

CCuubbeess aanndd CCuubbee RRoooottss

FFoorrmmuullaaee

G

C R O S S W O R D S

E

F A C I L I T A T E

T E

L A

Y R

N

I

N

G

Learn well. Have fun! The Editors, Intelligent Australia Productions


About ‘It’s Time’ Description:

This is a 33-clue crossword dealing with various aspects of Time, including the calendar.

Which students will benefit most from doing this crossword?:

This puzzle is best suited to students in mid primary school. Older students who have not fully grasped some Time concepts will also benefit. Younger, capable students would be pleased with the challenge offered by the crossword.

Level of Difficulty:

Easy


10 Concepts/Topics Covered in ‘It’s Time’

Your students will encounter each of these

concepts/topics in the crossword.

----------

Leap year

Decade

Minutes in

an hour

Seconds

in an hour

Abbrevia-

tions for

days’

names

Fortnight

Seconds

in a

minute

Months

in a year

Seasons

Century


Level of difficulty

1 2 3 4 5

6 7 8

9 10

11 12

13

14 15 16

17 18

19 20

21

22

23 24

25

26 27 28

29 30 31

I’m faster than a speeding bullet so Time is never a problem for me.


AAccrroossss DDoowwnn 1. Two of these are

summer and winter.

4. March is the

_ _ _ _ _ month of the year.

6. Months in a year.

9. How many seconds

in half a minute?

10. Hour (abbreviation)

13. How many months

begin with the letter S?

14. Number of

minutes in one and a half hours.

17. How many weeks

in a year?

19. In a leap year

there are 29 of these in February.

21. One of these

equals a tenth of a decade.

23. How many of the

seasons begin with the letter s?

25. One hundred

years make one of these.

27. The day that

comes three days before Friday.

29. 52 of these plus 1

day equals a year.

30. 300 seconds

equals five of these.

31. Are there the

same number of seconds in 8 minutes as there are minutes in 8 hours?

2. The 4th month.

3. Saturday (abbreviation)

5. What fraction of a

minute is 30 seconds?

7. Wednesday (abbreviation)

8. Which day comes

four days before Monday?

9. How many minutes

in 1/3 of an hour?

11. Two weeks makes

one of these.

12. There are 3600 of

these in an hour.

15. How many months

in ¾ of a year?

16. In any four year

period how many years have 365 days?

17. Which month has

the least number of days?

18. Which day comes

five days before Wednesday?

20. Which day comes

6 days before Saturday?

22. 10 years make one

of these.

24. There are 6 of

these in three fortnights.

26. Monday (abbreviation)

28. Every four years

February has an extra…?


About ‘Maths Mixture’ Description:

This 32-clue puzzle deals with concepts from many different maths strands (see next page).


Students in the later years of primary school, as well as those in early secondary school, will find this crossword fun. Capable maths students in more junior years will enjoy the challenge this puzzle provides.


Medium


10 Concepts/Topics Covered in ‘Maths Mixture’



------------

Obtuse

angle

Square

number

Decade/

century

Axes of

symmetry

Hours in

a day

Dozen/

gross

Percent

Parallel

Roman

numerals

Roman

Numerals


Level of difficulty

1 2 3

4 5 6 7

8 9

10 11 12

13

14 15 16

17 18 19 20

21 22

23 24 25

26 27

28

29

I get to have a

drink.

They have to do a

crossword.


AAccrroossss DDoowwnn 3. 190 in Roman

Numerals. 6. Lines running in the

same direction are …? 8. An angle greater

then 900 and less than 1800 is …?

10. 11 is the square

_ _ _ _ of 121. 13. 144, or a dozen

dozen, is one …? 14. 2, 12, 14 and 30

are examples of _ _ _ _ numbers.

16. One of these is 1/24 of a day. 17. There are 10 of

these in a century. 19. 10% of 100.

21. Opposite of

‘more’. 22. A solid shape with

6 equal faces.

25. The Roman

Numeral for this number is X. 26. How many months

in a season?

27. This shape looks

like a squashed circle.

28. The amount of

space inside a plane shape is its _ _ _ _. 29. Twelve is one

_ _ _ _ _.

1. Hectare (abbreviation) 2. Every fraction is a

_ _ _ _ of a whole. 3. 150 in Roman

Numerals.

4. Opposite of

‘vertical’.

5. 0.25 expressed as a

fraction is one …..

6. The distance around

a plane shape is its …. 7. To find the area of a

rectangle we multiply its width by its …. 9. Grams, kilograms

and tonnes are units of ….

11. If a number is not

0 or even then it is …

12. If we multiply the

length of a cube by its width and height we obtain its …

15. In the series

2, 3, 4, 6, 8 the 2nd number is different from the others because it is the only _ _ _ number.

18. An equilateral

triangle has all angles …..? 20. MCMLV11 is a

Roman…

4. Opposite of

‘vertical’.

23. The only number

that is neither odd nor even is …

24. This solid shape

has a circular base which rises to an apex. 26. How many axes of

symmetry does a rectangle have?


About ‘Just Cubes’ Description:

This is a 32-clue puzzle dealing with the properties of cubes and with calculations involving cubes.


The puzzle is best suited to students in late primary to mid secondary school though very bright students in earlier years will enjoy the challenge.


Medium


10 Concepts/Topics Covered in ‘Just Cubes’



*****

No. small

cubes in a

given

space

Comparing

cubes

Faces

on a

cube

Area of

cube’s

faces given

cube’s

volume

Comparing

cubes’

volumes

using

different

units.

Find cube’s

side length

given

volume.

Combined

volume of

cubes

Volume

of a

cube

Edges

in a

cube

Fractions

of a

cube’s

volume


Level of difficulty

1 2 3 4 5

6 7 8 9

10

11

12

13 14

15 16 17 18 19

20

21 22

23

24


AAccrroossss DDoowwnn 1. How many cm3 in

volume is a cube whose edges measure 1cm?

3. A cube has sides

10cm in length. Its volume is one _______ cm3.

6. How many 2cm

cubes have a combined volume of 56cm3?

8. A small cube has a

volume of 1cm3. How many mm long is every one of its edges?

11. A cube’s edges

measure 4cm. Its volume is _______cm3.

12. Does a cube with

sides 2mm have more, or less, volume than a cube whose sides measure 0.3cm?

13. What fraction of

the volume of a 4cm cube does a 2cm cube have?

15. How much

difference in volume is there between a cube with sides 3mm and a cube with sides 0.3cm?

17. How many cubes

with sides 1.5cm are needed to fill a cubical space with sides 15mm?

20. Do cubes have 8

edges?

21. The number of

faces a cube has is _ _ _ _ the number of edges a cube has.

22. What is the

greatest number of 1 cm3 cubes that could fit into a 10 cm3 space?

23. How many metres

long are the sides of a cubic box with volume 27m3?

24. A cube with

volume 125 cm3 has side length_______cm.

2. If the volume of a

cube is 27cm3 how many cm2 in area is each of its faces?

3. A cube’s edge is 3m

in length. What is the cube’s volume in cm3?

4. Every cube has this

many faces.

5. A cube’s volume is

729 cm3. How many cm in length is one of its sides?

7. How many cubes

with side length 1cm have a combined volume of 2cm3?

9. How many cubes


10. Do two cubes each


13. Cube A has volume

8cm3 and Cube B has volume 1cm3. What fraction of Cube A’s side length is Cube B’s side length? (two words)

14. A cube’s volume is

8cm3. How many cm in length is one of its sides?

16. How many cubes

are needed to have 8 vertices in total?

18. How many cubes


19. Does one cube

with side length 2cm have more or less volume than 6 cubes with side length 1cm?


About ‘All About Money’ Description:

This puzzle has 31 clues. It covers most practical aspects of working with money such as working out change after a purchase, saving and sharing money and calculating an hourly rate of pay.


The crossword is best suited to students in late primary to mid secondary school though very bright students in earlier years will enjoy the challenge. Older students learning life-skills will also benefit from doing this puzzle.


Medium


10 Concepts/Topics Covered in ‘All About Money’



------------

Hourly

rate of

pay

Sharing

a given

amount

equally

Raising

money

Calculate

average

amount

Saving up

money

Money

collected at

a paying

venue

Comparing

money

quotients

How many

items may

be

purchased?

How much

change?

Different note

denominations


Level of difficulty

1 2 3 4 5 6 7

8 9

10 11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27

28

29


AAccrroossss DDoowwnn 1. Mrs Smith buys 3

metres of material at $3.05 per metre. How much change does she receive from her $10 note?

8. How many 95c toffees

for $9.50?

10. How many dollars

change if I buy 4 ice creams at $1.75 each and pay with a $20 note?

14. How many more

cents do I need if I have $1.80 and wish to buy 3 candy sticks that cost 80c each?

15. How many hours

must Billy work if he is paid $15 per hour and wishes to earn $300?

16. Is $85 - $67 more or

less than $42 - $23?

19. Tracey has $5 and

spends $2.20. How much does she have left?

21. How many $20 notes

are needed to purchase 15 tickets that cost $8 each?

22. Lotta spends $1.35

on fruit jubes which cost 15c each. How many fruit jubes does she buy?

25. If jelly babies cost 5c

each how many can I buy for $15?

28. How many pieces of

ribbon can Sam purchase if one piece of ribbon costs 15c and Sam has $12.00?

29. Mr Johnson pays $28

for paint and $13 for brushes. How many dollars change does he receive if he pays with a $100 note?

1. How many $2.25

tickets can be purchased with $18?

2. Will $15.30 divided by

6 give a greater or lesser amount than $40 divided by 16?

3. How much per hour

did Judy receive if she worked for 7 hours and earned $154?

4. How many children

viewed ‘Kids Only!’ at the cinema if $320 was collected at the counter and admission price was $8?

5. If I buy a diary for

$5.80 and pay with a $10 note my change is four dollars and twenty …?

6. How many children

received $12 if $108 was divided evenly between them?

7. How many more

dollars does Tom need if the computer game he wishes to buy costs $60 and he’s been saving $6 a week for 9 weeks?

9. Laina bought each of

her friends a $4.50 Eiffel Tower key ring while holidaying in Paris with her family. If Laina spent $36 on the key rings how many of her friends received one?

11. Laz saved $162 over

18 weeks. What was the average number of dollars per week he saved?

12. Is $104.65 - $78.95

more or less than $3.50 x 8?

13. Jenny saved $4 every

week for 13 weeks. How

many $31.00 DVDs could

she buy with her savings?

17. Mrs Simpson’s class of

year 6s raised $140 in a

cake fundraiser. If Mrs

Simpson’s students raised an average of $5 how many

children were in the class?

18. Con the classic car

collector spent $195 000 when he purchased some

new cars. The cars had an average price of

$65 000. How many cars did

Con buy?

19. How many $2.80 ice

creams can be bought for $84?


short of $101 is $13 x 7?


will Sylvia have left if she purchases two $18.50 blouses out of her $50?

24.The number of 85c

tickets that can be bought

for $255 is three ….?

26. Linda collects AbFab

cards which cost 40c each.

If she has spent $32 purchasing AbFab cards

how many does she have?

27. Tom makes $28 from

selling toy cars at his market stall. If he receives

an average of $3.50 per car how many did he sell?


About ‘Solid Shapes’

Description:

A 27-clue crossword dealing with the properties of solid objects with regular shapes.


The puzzle is best suited to students in late primary to mid secondary school though very bright students in earlier years will enjoy the challenge.


Medium


10 Concepts/Topics Covered in ‘Solid Shapes’



----------

Cylinder

Cone

Combined

volume

Pentagonal

pyramid

Vertices

Sphere

Cube

Rectangular

prism

Triangular

pyramid

Triangular

prism


Level of difficulty

1 2 3 4 5 6

7 8

9

10 11

12 13 14

15 16

17 18 19

20 21 22

23 24

25

26


AAccrroossss DDoowwnn 1. The top of a

pyramid is its …?

7. The top and

bottom of this solid shape are identical rectangles.

10. Volume is

measured in cubic units. What is measured in square units?

11. This solid

shape has six identical square faces.

12. A cube has 12

of these.

17. One half of a

sphere.

20. How many

edges does a pentagonal pyramid have?

22. How many cm3

is a rectangular prism with length 5m, width 2m and height 1m?

24. How many

edges does the base of a triangular pyramid have?

25. How cylinders

have 6 faces altogether?

26. Two cubes

have a total of 12…?

2. This solid figure

rises from its base to a point.

3. Like a pyramid

but with a circular base.

4. The amount of

space occupied by a solid shape is its …?

5. A triangular

prism has 6 of these.

6. The volume of a

rectangular prism can be worked out by multiplying its height by the area of its …?

8. This prefix

means ‘three’.

9.This word is

sometimes used instead of ‘width’ or ‘thickness’. Hint: think of the sea.

12. A rectangular

prism has _ _ _ _ _ vertices.

13. The only solid

shape with no edges or vertices.

14. This solid

shape has three faces, two edges and no vertices.

15. The longest

side of a solid shape is referred to either as its _ _ _ _ _ _ or its height.

16. The vertical

distance to the apex of a pyramid is its…?

18. Lines that run

in the same direction are said to be …?

19. In rectangular

prisms three faces meet at a …?

21. How many cm3

does a 2cm cube occupy?

23. This solid

shape has two faces, a circular base and an apex.


About ‘All Things Geometry’ Description:

This puzzle has 42 clues. It deals with many aspects of geometry, including but not restricted to, those on the next page.


All students who, in class, have covered the concepts on the next page, especially those students who need to consolidate the fundamentals of geometry before going on to further maths studies.


Medium


10 Concepts/Topics Covered in ‘All Things Geometry’



-----------

Area

Perimeter

Axis of

symmetry

Diameter

of a circle

Pi

Acute

angle

Perpendicular

Right

angle

Measuring

angles

Scalene

triangle


Level of difficulty

1 2 3 4 5

6

7

8 9 10 11

12 13

14

15 16 17 18 19

20 21 22 23

24 25 26 27

28

29 30 31

32 33 34

35

36

37 38

39


AAccrroossss DDoowwnn 1. Used for measuring

angles.

4. How many lines are

needed to form an angle?

6. 90o is a right ……….

8. The amount of space

occupied by a plane figure is its…..?

9. Two lines which are at

right angles to one another are said to be _ _ _ _ _ _ _ _ _ _ _ _ _.

12. We use a ruler to see

how _ _ _ _ a line is.

13. When you add

numbers you get their ...?

14. Is the area of a 4 x 2

rectangle more or less than the area of a 3 x 3 square?

15. An arc is a curved

_ _ _ _.

16. Semi and hemi both

mean….?

17. A plane shape with

one pair of opposite sides that are parallel …….without the final two letters!

24. A half circle is a

_ _ _ _ circle.

25. What we call a

triangle with two equal sides.

26. The side of a shape

that it usually ‘stands’ on.

29. An angle greater

than 90o and less than 180o.

31. This shape has four

equal sides and four right angles.

32. What we call a

triangle with no equal sides.

33. 45o is _ _ _ _ of a

right angle.

35. How wide something

is its ………?

36. First 5 letters of the

word meaning distance around the boundary of a plane shape.

38. An equilateral

triangle has this many axes of symmetry.

39. The distance across

a circle, through its centre.

1. Two or more lines

running in the same direction are _ _ _ _ _ _ _ _.

2. A shape with three

sides and three angles.

3. An instrument used for

drawing a circle whose radius is known.

4. If we rotate something

we _ _ _ _ it.

5. Two triangles and a

rectangle: how many sides altogether?

6. What name is given to

angles greater than 0o and less than 90o?

7. If we cut a line in half

we _ _ _ _ _ _ it.

10. What we call a

triangle with three equal sides.

11. This is formed when

two lines meet.

18. Part of the

circumference of a circle.

19. If two lines pass

through one another we say

they _ _ _ _ _ _ _ _ _.

20. 1o written in words is

‘one _ _ _ _ _ _’

21. The halfway point of

a line.

22. An angle of 90o is a

_ _ _ _ _ angle.

23. An angle greater

than 180o and less than 360o.

27. If the length of a

rectangle is multiplied by its width its _ _ _ _ is obtained.

28. An equilateral

triangle has all angles _ _ _ _ _.

30. This curved shape

looks like a pushed-in circle.

34. A square has this

many axes of symmetry.

37. The symbol is used

to calculate the circumference of a circle. What is the name of this symbol?


About ‘Try These’ Description:

This is a problem-solving crossword with 41 clues. Many concepts are covered. The puzzle poses a challenge for even the most able students and, for the majority of children, will take an entire maths lesson to complete.


Capable students who have been taught all the concepts on the next page.


Very challenging


10 Concepts/Topics Covered in ‘Try These’



-----------

Fractions

Doubling

and

halving

Annually/

quarterly

Time

sequence

Multiplying

fractions

Square

root

Percent

Squaring

a number

Logical

thinking

Problems

involving

money


Level of difficulty

1 2 3 4 5 6

7 8

9

10 11 12

13 14

15

16 17 18 19

20 21

22 23 24

25 26 27

28

29 30 31

32 33

34

35

36

37

Solve this puzzle and I’ll make you an honorary

Magician.


AAccrroossss DDoowwnn 1. Jeremiah weighs 8kg

more than half his father’s weight. If his father weighs

76kg how many kg less than

his 53kg brother does Jeremiah weigh?

4. Jenifer has four more

CDs than Jasmine who has three less than Jacinta.

Jacinta has only half the

number of CDs as Juliet. Which girl has the least

CDs?

7. Tom, Ned and Dan went

fishing. Ned’s catch was double that of Dan who

caught 50% more fish than Tom’s catch of 6. Who

caught 9 fish?

9. Robert, Daniel and

Edward all collect stamps. Robert’s collection numbers

450 and Daniel has twice as many stamps as Edward. If

Daniel has a third as many stamps as Robert which boy

has 75 stamps?

11. Yvette, Yvonne and

Yoland raced each other to the park. Yvonne didn’t

come last and neither did

Yvette. Yoland finished just behind Yvonne. Who won?

13. When he lived in

Bangkok Mr Huang could cover 1km in 5 minutes by

bicycle. Riding a tuk-tuk

allowed him to travel 100m every 40 seconds. Was it

quicker for Mr Huang to travel by tuk-tuk or bicycle?

14. Lee’s height is 5cm

more than Sam’s who is 5%

taller than Nat. If Nat is 160cm which boy is 173cm?

15. Tony and Alex are avid

readers of Harry Potter

books. Yesterday they read a combined 80 pages. If

Alex read 40% of that number which boy did not

read 48 pages?

20. Does Mrs Tripper get

more holidays if she takes 5 days leave quarterly or 25

days off annually? Answer

quarterly or annually.

21. Apart from zero, which

number, when doubled,

gives the same answer as its square?

23. Sal is shorter than Bec

who is taller than Lyn but

shorter than her brother Tim. Which girl is tallest?

25. Which number, when

halved, results in ¼ of 16?

26. If Mrs Jackson is 2/3 of

three times her son James’ age and James is 20 how

old is Mrs Jackson?

28. Which number when

halved gives the same answer as 45 divided by 10?

29. If 2842 is leal what is

8224?

32. Bronwyn is 2 years

younger than Brianna who is 4/5 Bettina’s age. If

Bettina is 15 who is 10?

34. If 54158587 is einelelt

what is 75145885?

35. Shane, Simon and

Steve had $20 between

them. Shane’s share was 40% of the total, Simon’s

35% and Steve’s 25%. Who

had $5?

36. Emma and Enid picked

flowers to make a bouquet.

Enid picked 2/5 of the 30 flowers picked by the girls.

Which girl picked 12

flowers?

37. If Yvette is older than

Yvonne, Yoland is older than

Yassie, and both Yoland and Yassie are older than

Yvette, who is the

youngest?

1. Sal, Sol and Sam are

triplets. If Sam is 3 minutes older than Sal and Sol is 5

minutes younger than Sam

who was born first?

2. Evelyn, Emilee and Elaine

walked 12km altogether. Evelyn walked 2km more than Emilee who walked 500m more than Elaine. If Elaine walked ¼ of the total who walked 5.5km?

3. If Clare is ¼ her

grandma’s age and her 12

year old sister Ciara is 20% grandma’s age who is 15?

4. Jade, Judy and Jane spent

$28 at the markets together. If Jade spent ½ as much as Judy and Judy spent ½ as much as Jane who spent $8?

5. Sheena is ½ of 3/5 of

Tammy’s weight. Shazza is

¾ of 1/3 of Tammy’s weight. Who weighs the

most, Sheena or Shazza?

6. Eti and Edi measured their

heights. Eti’s height was 10cm more than 50% of three metres. Edi’s height was 38cm more than 30% of four metres. Who was shorter?

8. If I double four, square

the result, and then add

twenty six, what do I get?

10. Diana, Deane and Donna

sipped on their pineapple juices. Diana had almost as many sips as Deane who had one sip less than Donna. Who had the least number of sips?

12. What do get if I divide

2000 by 20, obtain the square root of that result

and then double it?

16. Kurt is 2 years less than

½ Bill’s age of 30, and Kane is 2 years more than 1/3 Bill’s age. Who is older, Kurt or Kane?

17. Twins Ann and Alf

earned a total of $15 doing

small jobs for neighbours. If Alf earned $2 less than 3/5

of the total who earned the least?

18. Brian, Byron and Benny

ran a total of 36 laps of the park. If Brian ran 1/3 as many

laps as Byron and 1/5 as many laps as Benny, who ran 12 laps?

19. Rob and Bob washed 5

cars between them. If Bob washed ½ as many cars as

three times the number that Rob washed, who washed

the most cars?

22. If it’s 85km from Dilby to

Dalby how many kilometres is it from Dilby to Dulby which is on the Dilby-Dalby road and 68km from Dalby?

24. Chen paid $25 for a

new computer game after receiving a $10 discount.

Chan paid $45 for his new

game after also receiving a $10 discount. Who got the

better deal?

27. How much is 4% of half

of 1000?

28. If I double six squared

and then add half of six squared what do I end up with?

30. Lennie, Lonnie and Larrie

raised more than $100 between them for their school’s Sports budget. If Lennie’s share was less than Lonnie’s and Larrie raised more than Lennie who raised the least amount?

31. Sarah, Sally and Susie

spent a total of $19 on their lunches. Sarah spent 1½ times as much as Sally who spent 1½ times as much as Susie. Which girl spent $6 on her lunch?

32. Billy, Benny and Bobby

spent a total of 6 hours on their homework. If Benny spent 30 minutes more than Bobby and Bobby spent 30 minutes more than Billy, which boy spent 2½ hours on his homework?

33. What number is 3 more

than the square root of the square root of 16?


About ‘Maths-a-Mix’ Description:

There are 32 clues in this puzzle which is a real mix of many different maths topics.


As this puzzle deals with so many maths concepts it is ideal as a revision activity for those who’ve covered everything in it in class. It also provides a tantalising challenge for younger, bright students who may not have been introduced to all the topics covered here.


Medium


10 Concepts/Topics Covered in ‘Maths-a-Mix’



------------

Axes of

symmetry

Prime

number

Radius of

a circle

Sum and

product

Circumference

Polygons

Pyramid

Roman

numerals

Angles

Multiple


Level of difficulty

1 2 3 4 5

6

7 8

9 10

11 12

13 14 15

16 17

18

19 20

21 22 23

24 25 26

27

28

29

I find

juggling

easy.

Yes, but what

about Maths

crosswords?


AAccrroossss DDoowwnn 1. Angles are

measured in …?

4. What is 1 500 in

Roman Numerals?

6. The top of a

pyramid is its …?

7. The plural is

‘vertices’ and the singular is …?

9. When we add

some numbers we obtain their …?

11. Numerators

and denominators are found in …?

16. The distance

around a circle is the circle’s …?

18. The shortest

distance from the centre of a circle to the circle itself is the circle’s …?

22. The diameter

of a circle passes through the circle’s …?

24. How many

edges does a pentagonal pyramid have?

25. There are 100

of these in 1 000.

28. The bottom

part of a fraction.

29. One heptagon

and one triangle: how many sides altogether?

1. What is 510 in

Roman Numerals?

2. An angle of 90o

is a _ _ _ _ _ angle.

3. A heptagon has

this many sides.

4. Does a nonagon

have more or less sides than an octagon?

5. A hexagon has

this many sides.

6. Angles greater

than 0o and less than 90o are …?

8. How many edges

does a square pyramid have?

10. When two

numbers are multiplied together we get their …?

12. Can a number

be divided into itself once or twice?

13. An 8-sided

plane figure is called an …?

14. Part of a

circle’s circumference.

15. The distance

around the boundary of a plane figure.

17. A square has

this many axes of symmetry.

19. Is 5 the second

or third prime number?

20. One hexagon

and one rectangle: how many sides altogether?

21. 22 – 2 x 2.

23. Is 100 the

ninth or tenth multiple of 10?

26. One pentagon

and one rectangle: how many sides altogether?

27. How many

edges does a triangular pyramid have?


About ‘Bits ‘n Pieces’ Description:

As its name suggests ‘Bits ‘n Pieces’ deals with quantities less than 1….fractions, percentages and decimal numbers. The puzzle contains 42 clues.


This puzzle provides excellent consolidation/revision for students wishing to master fractions, percentages and decimals, and their relationship to each other.


Medium


10 Concepts/Topics Covered in ‘Bits ‘n Pieces’


concepts/topics in the crosswod.

-----------

Subtract

decimal

from

percent

Find

missing

numerator

Hundredths

Thousandths

Find missing

denominator

Express

fraction

as a

decimal

Equivalent

fractions

Express

decimal as

a percent

Express

decimal as

a fraction

Quarters


Level of difficulty

1 2

3 4

5 6 7

8 9 10

11

12

13 14 15

16 17 18 19

20 21

22 23

24 25

26 27

28

29 30

31 32

33 34 35

36

37 38 39

Don’t be scared

away by this

puzzle…..it’s

not too difficult.


AAccrroossss DDoowwnn 1. 0.5 expressed as a

fraction is one _ _ _ _.

2. How many percent

is 0.4?

3. 80% - 0.8.

8. The bottom number in a fraction.

10. How many percent is 0.11?

11. This prefix means ‘ten’.

12. Two or more fractions that have the same value are said to be …?

14. In the number 31.045 the 3 represents three …?

16. In the number 31.045 the 5 represents five …?

21. How many wholes is 100%? 22. What numerator goes with a denominator of 10 to make a fraction that equals 30%?

24. Three quarters is equivalent to nine …?


28. 0.25 is one …?

29. Half of a quarter is one …?

34. What numerator goes with a denominator of 12 to make a fraction that equals 75%?

36. How many hundredths equals 0.65?

37. Is 4/5 more or less than 75%?

38. If I _ _ _ _ _ _ 5 by 10 I will get 0.5 as my answer.


1. In the number 6.95 the 5 represents five …?

2. What numerator goes with a denominator of 6 to give a fraction equivalent to 2/3?

4. There are one _ _ _ _ _ _ _ hundredths in one whole.

5. What denominator goes with a numerator of 6 to give a fraction equivalent to 2/3?

6. How many hundredths equals 70 thousandths?

7. 60 hundredths equals 6 …?

9. How many fifths equal two tenths?

13. One quarter is sometimes called one …?

15. How many fourteenths make one half?

17. What the top number in a fraction is called.

18. In the number 8.452 which digit is in the thousandths place?

19. How many hundredths is 0.16?

20. What denominator goes with a numerator of 12 to make a fraction that equals 24%?

23. Seventeen seventeenths equals one …?

25. Six sixteenths equals three …?

26. Three wholes equals six …?

28. Three twelfths equals one …?

30. The simplest name for nine eighteenths is one …?

31. First two syllables of ‘denominator’.

32. How many sixths equals two twelfths?


35. Which digit is in the tenths place in 72.95?


About ‘Formulae’ Description:

‘Formulae’ contains 23 clues. It covers many of the formulae required to work out areas and volumes in Maths up to the level of mid secondary school.


Students will be able to complete this puzzle if they have covered Area (plane shapes) and Volume (solid shapes).


Medium


10 Concepts/Topics Covered in ‘Formulae’



------------

Circumference

of a circle

Perimeter

of a

rectangle

Volume of a

triangular

prism

Area of a

parallelogram

Volume of a

rectangular

prism

Area of a

circle

Volume of

a cube

Area of a

triangle

Volume of

a cylinder

Area of a

rectangle


Level of difficulty

1 2 3 4 5

6

7 8

9 10

11

12

13

14 15 16

17

18 19

20 21

22

When you know the

formulae working out

maths problems is as

easy as jumping over a

rope.


AAccrroossss DDoowwnn 1. The volume of

which solid shape is obtained by using this formula:

V = l x r2 ? (where l = length or height)

8. For which plane

shape do we use the following formula to find its area?

A = ½ b x h (where b = base)

9. To find the area

of a triangle we multiply the base by the height, then times by one ______.

11. A line from a

corner of a rectangle, through the centre, to the opposite corner.

13. The formula

C = 2r is used to

find a circle’s …?

17. The formula for

finding the area of a triangle is A = ½ b x h where h is the triangle’s ____________ height.

18. By using the

formula V = l 3

(where l = side length)

we can work out the volume of a _______.

19. The formula for

finding the volume of a rectangular prism is

V = l x w x h where h represents the prism’s …?

20. If we multiply a

rectangle’s length by its width we will find its …?

21. Sometimes

used as an abbreviation for ‘height’.

22. The formula

V = ½ b x h x l (where b = base and l = length)

is used to find the volume of a triangular …?

1. We use the

formula

A = r2 to find the area of a …?

2. We can find the

volume of a rectangular prism by multiplying the area of its end by its …?

3. We use the

formula

A = l x w (where l = length and w = width)

to find the area of a …?

4. To find the area

of a parallelogram I multiply its height by its …?

5. The bottom side

of a plane shape or a solid object is its …?

6. The symbol is called …?

7. A half-circle is a

_______ circle.

10. A square has

this many equal sides.

12. This is

multiplied by to

work out the circumference of a circle.

14. The perimeter

of a rectangle is the sum of all its …?

15. The area of a

circle is calculated

by multiplying by

the _________ squared.

16. The volume of

a rectangular prism is worked out using the formula

V = l x w x h where w represents the prism’s ….?


About ‘Higher Powers’ Description:

This 37-clue puzzle treats higher powers of a number of different bases (including the common ones: 2, 3, 5 and 10). All four mathematical operations (+, -, x and ÷) are incorporated into the clues.


All students who have learnt indices or ‘powers’ will find this puzzle useful. It provides an excellent challenge for bright, younger students whose exposure to indices (in particular, higher powers) has been minimal.


Medium


10 Concepts/Topics Covered in ‘Higher Powers’



-----------

1 raised

to various

powers

Different

bases,

different

powers:

subtraction

Different

bases,

different

powers:

addition

Problems

involving

brackets

10 raised

to various

powers

Mixed

problems

involving

different

bases and

powers

Different

bases,

different

powers:

multiplication

Different

bases,

different

powers:

which no. is

greater?

Base

number

raised to

the 4th

power

Same

bases,

different

powers:

division


Level of difficulty

1 2 3

4 5

6

7 8 9 10

11 12 13

14

15 16

17

18

19 20

21

22 23 24

25

26

27 28

29 30 31

32

33

These aren’t

as hard as

you might

think.


AAccrroossss DDoowwnn 1. 34

4. Is 32 more or

less than 23?

6. 110

7. 23 – 14

9. 103 ÷ 102

11. (53 ÷ 52) x 2

14. 52 - 24

15. (25 – 33) x 2

16. (34 ÷ 32) - 15

17. (43 ÷ 42) – 19

18. 18 x 2 x 51

19. Is 43 larger

than 34?

20. 101 is one

_ _ _ _ _ of 102.

21. How many

times will 25 divide into 43?

22. What fraction

of 26 is 22?

26. 15 + 16 + 17 + 18

28. 27 ÷ 25

30. 120 x 51

32. 26 ÷ 23

33. 43 ÷ 22

1. 25 ÷ 23 x 2

2. 53 x 2

3. 43 ÷ 26

5. What fraction of

26 is 2?

8. 22 x 52 ÷ 102 x 32

10. 27 ÷ 24

12. 14 x 23 + 12

13. 92 ÷ 34

15. 22 + 32

17. 53 ÷ 52 – 22 + 14

20. 32 + 111

23. 32 - 31

24. 23 is _ _ _ _ of

42.

25. 25 – 33 – 11

27. 103 equals a

hundred _ _ _ _.

29. 25 ÷ 42 + 22

31. 02 + 14 + 32


About ‘Know Your Place’ Description:

This 34-clue puzzle deals with Place Value. Place values used in the crossword range from tens of millions to thousandths.


Any student who is familiar with Place Value will find this puzzle provides a fun alternative to traditional maths exercises and revision activities.


Medium


10 Concepts/Topics Covered in ‘Know Your Place’



-----------

Units =

ones

0.11 as

one tenth

plus one

hundredth

OR eleven

hundredths

Large

numbers:

millions

Large

numbers:

hundreds

of

thousands

Decimal

numbers: the

thousandths

place

Decimal

numbers:

the

hundredths

place

The

hundredths

place

Large

numbers:

tens of

millions

Different

digit,

different

place:

compare

value

Same

digit,

different

place:

compare

value

Decimal

numbers:

the

tenths

place


Level of difficulty

Important: Ones=Units!

1 2

3 4

5 6

7 8

9

10 11

12

13 14 15

16 17 18 19

20 21 22 23

24 25

26

27

28

29

Crosswords make

maths fun.


AAccrroossss DDoowwnn 1. In the number

54 326 in which place is the 4?

6. In the number

74 908 which digit is in the hundreds place?

7. In the number

65.702 which place is occupied by the 0?

9. 3 875…..in which

place is the 5?

10. If there’s a 5 in

the tens place and a 5 in the ones place how many times bigger is the ‘tens’ 5 than the ‘ones’ 5?

11. Which digit is in

the thousandths place here?... 798.102

12. 45 894…which

digit occupies the tens place?

13. In the number

45 076 in which place is the 7?


the tenths place here?... 259.068

16. Is the 4 in 35.04

worth more or less than the 4 in 28.43?

18. In the number

645 423 which digit occupies the hundreds of thousands place?

20. In the number

47 982 305 which digit occupies the millions place?

23. 59.072…..in which

place is the 9?

24. How much

greater in total value is the 1 in 715 than the 5?


the tens of thousands place here?... 4 580 297

27. By how much

in total value is the 1 in 87 614 greater than the 4?

28. In the number

28 306 459 which digit is in the tens of millions place?

29. In the number

189 how much greater is the total value of the 1 than the total values of the other two digits combined?

1. In which place is

the 5 in the number 64.095?

2. In the number

72 819 is the total value of the 9 more than the total value of the 1?

3. In the number

2 354 092 the total value of the first 2 is one _ _ _ _ _ _ _ times greater than the total value of the second 2.


the hundreds of thousands place here?... 2 745 013

5. In the number

46 670 how many times bigger in total value is the first 6 than the second 6?

8. In which place is

the 0 here?... 6 297 043

10. In the number

8 317 how much more in total value is the 1 than the 7?

11. Which place is

occupied by the 4 in the number 879.46?

12. Is the total

value of the 8 worth more than the total value of the 4 in the number 482?

15. In which place

in the number 4 362 is the 6?

17. In the number

4 567 083 which digit is in the thousands place?

19. Another name

for ‘Ones’.

21. In the number

432.11 there are 4 hundreds, 3 tens, 2 ones and ________ hundredths.

22. By how much is

the total value of the 1 in 7 612 greater than the total value of the 2?

24. In the number

265.034 which digit is in the thousandths place?

25. Which digit in

the number 34.025 is in the tenths place?


About ‘There’s a Word for That’ Description:

‘Mathematical Terms’ is a 43-clue puzzle designed to consolidate students’ knowledge and understandings of terms used in maths.


Students from late primary through to mid secondary, as well as bright younger pupils, will find this puzzle fun and useful.


Medium


10 Concepts/Topics Covered in ‘There’s a Word for That’



-----------

Construct

Arc

Factors

Bisect

Reflex

angle

Radius

Counting

number

Points

Prime

number

Parallel


Level of difficulty

1 2 3 4 5 6

7 8 9

10 11 12

13 14

15 16 17 18

19

20 21 22 23

24

25 26

27 28 29

30

31 32 33

34 35 36 37 38

39 40

Yep, maths has

words...not just

numbers.


AAccrroossss DDoowwnn 1. What we call all numbers with only two factors.

2. To make longer.

5. Locations in space.

8. The same.

10. Used to construct a circle.

12. The first counting number.

13. A word used for equal fractions.

15. Three-sided plane shapes.

18. Part of a circle’s circumference.

19. This may be drawn straight, jagged or curved.

20. Lines at right angles to each other are …?

22. Occasionally called ‘nought’.

26. Greater.

27. An instrument for measuring angles.

30. These are drawn with the assistance of a ruler. plural

35. Numbers that can divide evenly into a given larger number.

36. Some examples of these are hexagon, circle, triangle and square.

39. To cut a line or an angle in half.

40. An angle greater than 180o but less than 360o.

1. A way of expressing the ratio of one number to another; out of 100.

2. A lower quantity.

3. Is 21 a prime number?

4. Hectare. abbrev'

5. A rectangular prism is a solid shape but a rectangle is a _ _ _ _ _ shape.

6. To rotate.

7. Angles greater than 0o but less than 90o.

9. A plane figure with 4 straight sides.

11. Lines that run in the same direction are …?

14. This plane shape has one pair of opposite sides parallel.

16. Two of these are needed to form an angle.

17. The prefix ‘deca’ means…?

21. These numbers have more than two factors.

23. Angles greater than 90o but less than 180o.

24. Heptagons have this many sides.

25. This many lines are needed to form an angle.

28. This is always half the diameter of a circle.

29. This prefix means ‘three’.

31. A small arc is a minor one and a large arc is a _ _ _ _ _ one.

32. Squares have four axes of symmetry. True or false?

33. All solid objects occupy _ _ _ _ _.

34. This object has 6 identical faces.

37. A prefix meaning ‘six’.

38. In a right angled triangle the _ _ _ _ opposite the right angle is the longest one.


About ‘How Long, How Heavy, How Much? Description:

This crossword has 30 clues. It deals with Length, Area, Volume and Mass.


All students who have covered the concepts on the next page will find this puzzle useful….and fun!


Medium


10 Concepts/Topics Covered in ‘How Long, How Heavy, How Much?’



----------

Convert

metres to

millimetres

Convert

centimetres

to kilometres

Convert

centimetres

to

millimetres

Convert

centimetres

to metres

Convert

litres to

millilitres

Convert

sq. metres

to hectares

Convert

millilitres

to litres

Convert

metres to

centimetres

Convert

grams to

kilograms

Convert

kilograms to

tonnes


Level of difficulty

1 2 3 4

5 6 7

8 9

10

11 12 13

14 15

16 17 18

19 20

21 22

23

24 25

26

How heavy?

Very heavy!


AAccrroossss DDoowwnn

1. How many

kilograms do forty 350g packets of flour weigh?

3. Is a 9m high

building smaller or larger than a 910 cm building?

6. A 4m long

cotton thread is one _ _ _ _ _ _ _ _ times longer than a 4mm long cotton thread.

8. No month has

more than this number of days.

11. How many

1L milk cartons can be filled with 76 000ml of milk?

14. How many

kilometres has an athlete run after covering 100 000cm?

15. How many

1 000kg cars weigh 5 tonnes?

17. An area of

10 000m2 is a ………… (abbrev’)

19. A snail

moving at 1mm every 2 seconds will cover a distance of one _ _ _ _ _ in 2 000 seconds.

21. Which shape

containing four right angles and with length 8cm and width 2cm has the same area as a 4cm square?

23. Can two 1.5L

jugs hold a greater or lesser amount of water than three 850ml jugs?

24. Do four 900kg

cars have more or less mass together than fifteen 220kg motor cycles?

25. How many

mm longer is 532mm than 53.2cm?

26. This means

the same as ‘zero’.

1. How many

kilograms do two hundred and fifty 200g tubs of butter weigh together?

2. Is a 1.83m

tall man taller than a man whose height is 1900mm?

4. Is 5500ml

more or less than 6L?

5. How many

metres is 1600cm?

6. How many

2cm cubes occupy a space of 80cm3?

7. How many

1-tonne walruses weigh a total of a million grams?

9. How many

more tonnes do four 2 tonne elephants weigh than five 1 tonne hippopotami?

10. How much

bigger than 1/10 is 40 hundredths? (answer as a fraction)

12. By how

many mm does 43mm exceed 4.1cm?

13. What is the

only 4-sided shape with all sides equal and all angles equal?

14. How many

3cm cubes occupy a space 27cm3 in volume?

16. 20 000m2 is

one _ _ _ _ _ _ _ less in area than 3 hectares.

18. A 250kg

motor cycle weighs a _ _ _ _ _ _ _ of a tonne.

20. Milligrams abbrev’

22. Centimetres abbrev’

24. Millilitres abbrev’


About ‘All Mixed’ Description:

‘’All Mixed’ is a 45-clue puzzle covering a wide range of maths topics and concepts (see next page).


Students from late primary age up to mid secondary age, as well as bright younger students, will find this puzzle a medium level challenge as well as fun.


Medium


10 Concepts/Topics Covered in ‘All Mixed’



------------

Prime

number

Pentagon

Hexagon

Axes of

symmetry

Volume

Pyramid

Whole

number

Product

Quotient

Roman

Numerals


Level of difficulty

1 2 3 4 5 6

7 8

9 10 11

12

13

14 15 16

17

18 19

21 22

23

24 25

26 27

28

29

30 31 32 33

34

35 36 37 38 39

40

41

Maths is like sport.

Aim high, try hard,

and you’ll do well.


AAccrroossss DDoowwnn 1. The result obtained when one number is divided by another.

8. When you do this to two numbers you get their product.

9. 7 is the _ _ _ _ _ _ prime number.

10. ¼ and ½ are fractions but 5 is a _ _ _ _ _ number.

11. Dividing forty-eight by eight gives a quotient of …?

12. Centimetre. abbrev’

13. 23

14. How wide a shape is, is its…?

16. What is 400 in Roman Numerals?

17. A 5-sided plane shape.

18. Numbers that have more than two factors are …?

21. When 20 is divided by 3 the answer is 6 _ _ _ _ _ _ _ _ _ 2.

23. Sometimes maths

problems, especially addition ones, are called _ _ _ _.

25. Twelve is a dozen and twenty is a _ _ _ _ _.

26. A shape with four right angles and two pairs of parallel sides.

28. 4 is one _ _ _ _ _ _ of 32.

29. 1400 in Roman Numerals.

31. Numbers with just two factors are _ _ _ _ _.

33. The name of the sign used in subtraction problems.

34. How many sides has a hexagon?

35. What is the product of ½ and 80?

37. The amount of space occupied by a solid object.

40. How many mm in one cm?

41. This plane shape has four sides with two of them parallel.

2. 5 is one _ _ _ _ _ of 15.

3. The angles inside these always sum to 180o.

4. How do we write 45 in Roman Numerals?

5. If I _ _ _ _ _ _ 60 by 12 I get 5 as my answer.

6. A solid shape with a base, an apex and slanting sides.

7. Not many (often just 3 or 4) is a …?

8. The name we give to a thousand lots of 1000.

14. There are two of these in a fortnight.

15. ½ is 50% as a percentage and 0.5 as a …?

17. 0.75 equals 75…?


22. A plane shape with 10 sides.

24. The common

matchbox is in the shape of a rectangular _ _ _ _ _.

27. A rectangle has this many axes of symmetry.

29. Grams, kilograms and tonnes are units of…?

30. 20% expressed as a fraction is one _ _ _ _ _.

31. Two straight lines that meet at a _ _ _ _ _ form an angle.

32. Which month comes three months after the month with the least number of days?

36. How many axes of symmetry does an isosceles triangle have?

38. What is the only whole number that is a factor of every other whole number?

39. How do we write 1900 as a Roman Numeral?


About ‘Small and Smaller’ Description:

‘Small and Smaller’ has 42 clues. It deals with fractions, percentages and decimal numbers.


This puzzle provides excellent consolidation/revision for students whose mastery of fractions, percentages and decimals, and their relationship to each other, is not complete.


Medium


10 Concepts/Topics Covered in ‘Small and Smaller’



----------

Equivalent

fractions

Tenths

Finding the

number of

wholes in a

given

number of

halves

Quarters

Millionths

Convert

decimal to

fraction

Decimal

points

Hundredths

Convert

decimal to

percent

Convert a

fraction

to

percent


Level of difficulty

1 2 3 4 5

6 7 8 9 10 11

12

13 14 15 16

17 18

19

20

21 22

23 24

25 26

27 28

29 30

31

32 33

34 35

36

37 38

39

Tennis is fun, and

so are Maths

crosswords.


AAccrroossss DDoowwnn 1. How many

percent is 0.23?

4. This means ‘out

of 100’.

6. How many

quarters in zero?

8. What must I do

to two numbers to get their product?

11. Which

numerator goes with a denominator of 8 to make a fraction equal to 25%?

12. Four of these

make one half.

17. In the number

9.5 the 9 is separated from the 5 by a …?

19. Six of these

equal two wholes.

20. How many

percent is 0.09?

21. What

denominator goes with a numerator of 6 to give a fraction equal to 0.75?

23. The number

‘one million’ has six of these.

25. What numerator

goes with a denominator of 100 to give a fraction equal to 1%?

26. Do I add or

subtract when finding the sum of two numbers?

29. What percent

is 4/100?

30. Eight of these

equal four fifths.

31. If I multiply 0.25

by 10, I _ _ _ _ the decimal point one place to the right.

32. 0.75 is _ _ _ _

of 1.5.

34. 6 followed by

three zeros is six…?

36. What numerator

goes with a denominator of 15 to make a fraction equal to 0.2?

37. There are

twelve of these in 120.

38. Two of these

equal one quarter.

39. What percent

is 15/30?

2. Seven sevenths

make one _ _ _ _ _.

3. First two letters

of ‘thousand’.

4. Last syllable of

‘multiply’.

5. One half equals

500 …?

7. How many

hundredths equal 0.11?

8. There are one

_ _ _ _ _ _ _ millionths in one whole.

9. What

denominator goes with a numerator of 6 to make a fraction equal to 0.6?

10. How could

‘percent’ (meaning for

each hundred) be abbreviated to two letters?

13. How many

fifths equal six tenths?

14. What

calculators perform.

15. Decimal point. initials

16. To obtain a

quotient I must first …?

18. 80% equals

four _ _ _ _ _ _.

22. There are

seven of these in 0.07.

24. Take away.

27. How many

fiftieths equal 4/5?

28. 25% is one …?

30. How many

percent is one fiftieth?

33. What numerator

goes with a denominator of eighty to make a fraction equal to 0.5?

35. How many

wholes do five fifths make?


Challenge classmates with your own Maths Crossword……

Title …………………………………………………………………………………………………………………………………………………………………………………..………………………………..

Compiled by …………………………………………………………………………………………………………………………………………………………………………………..………………………………..


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D U A H N

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