film clips. 16 50% n2n2 +6 x4 280 10% x9 x8 8 64 70 280 28 4 36 6 48
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Film clips
16
50%
n2
+6
x4
280
10%
x9
x8
7
1x
n
8
64
70
280
28
4
36
6
48
Puzzle a day• If a lion has 4 legs, a cheetah has
6 legs and an antelope 8 legs, how many legs has a buffalo?
• 6. two legs per vowel
• How many oranges are here?
• A shopkeeper builds a similar pile of oranges but with one extra layer. How many oranges would this have?
• What size of pile could you build with a box of 200 oranges?
1
2
3
456
7
8
9Stop
Countdown
25 1 1 2 5
290
TARGET
6
Code Words • 2J• J ÷ B• A + D• B x G• Y ÷ E – D• C + D• W – R• I x B
• T• E• E• N• A• G• E• R
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
£5
20%
X23
-£2
700p
1%
X60
+30px2
30%3
1
1
23
21
7
7p
420p
450p
£9
270p
• When you turn over this egg timer, three sand timers measure 3 minutes, 4 minutes and 5 minutes. They cannot be turned over individually.
• How could you use the timer to measure 6 minutes?
• You could measure 7 minutes by adding together 3 and 4 minutes - but does it matter which you do first?
• What other times could you measure? What if you had three separate sand timers?
Puzzle a day• Can you fill in the missing
number? 9
354
?
367
7
203
The right hand star ineach set is the resultof the two other starsmultiplied together,
minus one.
1
2
3
456
7
8
9Stop
Countdown
10 8 6 4 7
824
TARGET
100
Code Words • I – G + B• C x G• J – G• V ÷ B• Z ÷ B – A• C2
• B x G• P - I
• D• U• C• K• L• I• N• G
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
300
-30
÷90
n2
n2
81
-9
+3
5%
8
5x
270
3
9
81
72
45
48
40
26
5x
• How many squares does this chocolate bar have? To answer this question, it may help to measure the photograph with a ruler.
• The whole bar weighs 100 grams. What does one square weigh? A recipe uses 28 grams of chocolate. How many squares is this?
Puzzle a day• Change one letter in each word to
form three new words with a common theme.
• WALL CASTER TROY
• WALK, CANTER, TROT.
1
2
3
456
7
8
9Stop
Countdown
75 2 3 2 7
581
TARGET
8
Code Words • C x G – B• P ÷ B• U – P• D2
• V – N• A + D• I x B• X ÷ F
• S• H• E• P• H• E• R• D
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
£5.50
x2
x3
-£1
75%
24
10%
+9p
÷6
8
3x11
33
32
24
9
4.50
45p
54p
9p
2
1x
• This tiling consists of squares and parallelograms. The large squares each have an area of 1 square meter. The angle between the large squares and small squares is 45 degrees.
• What is the area of one of the small squares?
• What is the area of one of the parallelograms?
Puzzle a day• Betty was making flowers for the
local carnival. 11 flowers had red in them, 7 had yellow in them and 5 had both red and yellow in them.
• How many flowers did she make?
R and Y
5
Red
6
Yellow
2
1
2
3
456
7
8
9Stop
Countdown
100
9 2 3 4
372
TARGET
1
Code Words • B x D• R – M• P ÷ D• P – I• T – L – C• F x C• Y – J• J + M
• H• E• D• G• E• R• O• W
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
• A normal set of dominoes has 28 tiles and the largest is "double six." This special domino set has more tiles and the largest is "double nine." How many tiles does it have?
• You can buy domino sets going up to "double twelve." How many tiles would these sets have?
1000
25%
-4
11
x8
-8
x4
5%
n
250
125
121
11
88
80
320
16
4
2
1
n
Puzzle a day• Two men were leading cows along a
road, and the first said to the other “give me two cows and I’ll have as many as you have.” After this was done, the second said “Now you give me two cows and I’ll have double the number you have.”
• How many cows were there, and how many did they have each?
1
2
3
456
7
8
9Stop
Countdown
10 1 2 2 6
818
TARGET
100
Code Words • Z ÷ B• B ÷ B• C x E – A• T ÷ E• Z – Y• B x I
R ÷ B• Z - L
• M• A• N• D• A• R• I• N
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
• The horizontal bar in the photograph has holes spaced 10 cm apart for the hoops to pass through. One hoop is 30 cm wide.
• How many hoops would you need to make a railing that is 250 cm long?
• Can you find a rule that gives the length of railing for any given number of hoops?
26
+19
n2
7%
7
x8
+18
-4
50%
45
10
100
7
56
74
70
35
21
9
2
5
3x
Puzzle a day• Which number should replace the
question mark?
• 5. the centre numbers are the result of the bottom two numbers subtracted from the top number
1 0
5
4
2 6
13
5
4 2
10
4
4 6
15
4
1
2
3
456
7
8
9Stop
Countdown
25 1 7 4 5
195
TARGET
2
• The seeds in this yellow daisy make spiral patterns. Some of the spirals go in a clockwise direction and some go anticlockwise.
• Count the number of spirals going in each direction.
• Your answers should be two numbers in the Fibonacci sequence 1, 1, 2, 3, 5, 8, 13, 21, 34
• See what you can find out about the Fibonacci sequence.
Code Words • T – A
Z – A• B + A• G – (B x C)• J + C• T – E• F x C• J – E
• S• Y• C• A• M• O• R• E
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
£20
1%
x8
-10p
double
£3
x9
+£19-£6
75%
25%
20p
1.60
1.50
£3
£27
46
40
30
£7.50
A puzzle a day• which number should replace the
question mark?
• 4. The numbers in each block of 3 add up to 11.
1
?6
1
37
2
36
2
45
• This beautiful patchwork quilt has quite a complex design.
• Try to see the basic units from which it is constructed.
• Can you see any right angles here?
1
2
3
456
7
8
9Stop
Countdown
50 9 6 4 4
432
TARGET
2
Code Words • B x C• X ÷ B• T – S• Z ÷ B• C x C• C x E – A• B x C + A• T - E
• F• L• A• M• I• N• G• O
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
34p
x100
+£18
-400p
25%
1200p
10%
half
x5
x100
£34
52
48
12
120p
60
£3
300
£754
1x
• The picture shows the ventilation holes in a hair dryer.
• There are 9 holes in the first circle and 12 holes in the next circle. How does the pattern continue?
• Try to figure out an answer before counting the holes in the picture.
Puzzle a day• What comes next in the following
sequence?
• 1, 4, 5, 6, 7, 9, 11, ?
• 100. This is the sequence of numbers with no letter ‘t’ in their names.
1
2
3
456
7
8
9Stop
Countdown
75 1 9 6 4
468
TARGET
2
Code Words • B x C• X ÷ B• T – S• Z ÷ B• C2
• C x E – B• B x C + A • T - E
• F• L• A• M• I• N• G• O
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
• Each compartment in this box contains six jelly beans of the same flavour. They are arranged in two layers of three beans. There is a different flavour in each compartment.
• How many different flavours are there in the box? How many beans are there altogether?
• Jelly beans are sold in "40 official flavours". Suppose that the jelly bean company asks you to design a similar box that could hold all 40 flavours. Is this possible?
25
+17
+19
-1
20
x9
10%
x50
3%
42
61
60
20
180
18
8
400
123
1
9
4
puzzle a day• Which 4 letter word links all of
these?
• STEP, LOOSE, SORE, HOLD, LIGHTS
• Foot
1
2
3
456
7
8
9Stop
Countdown
50 3 4 7 8
766
TARGET
1
• This pattern uses square tiles of three different colours. They are arranged so that two tiles of the same colour never touch along an edge. The pattern uses equal numbers of the three colours.
• Design a different pattern that also uses equal numbers of square tiles in three colours. The same colour must never touch along an edge.
• A snail crawls across the tiles visiting the colours in order: red, yellow, black, red, yellow, black...
• Is it possible for the snail to visit every tile?
Code Words • D x E – A• Y ÷ E – D
T – D• D2
• X ÷ C• C2
• F x C• J – E
• S• A• P• P• H• I• R• E
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
400
20%
+9
5
x70
10%
+29
+18n
80
16
25
5
350
35
14
43
61
5
1x
5
2x
A puzzle a day• How many triangles can you see?
• 35
1
2
3
456
7
8
9Stop
Countdown
25 6 7 8 3
344
TARGET
5
Code Words • D + D• J + E• L + G• A + O• C2
• B x J• K – J• X ÷ B
• H• O• S• P• I• T• A• L
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
37
-19
doublex2
48
x2
-18
+3
n
18
12
24
48
96
78
81
9
3
3
2
n
Maths Riddles • It is less than 50 • It is greater than 90 • It is a multiple of 8• 24 is a factor
72
1
2
3
456
7
8
9Stop
Countdown
25 10 2 3 7
279
TARGET
5
Code Words • S – C• C x E• B x I• U – A• G x C• P ÷ B• Z – Y• X ÷ C + D
• P• O• R• T• U• G• A• L
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
£55
-£27
25%
x9
-£19
4400p
10%
-10p
X6
28
7
63
44
440p
220p
210p
70
420p
2
1x
3
1x
Maths Riddles • It is an even number• It is less than 79 • 5,4 and 3are all factors• It is a multiple of 10
60
1
2
3
456
7
8
9Stop
Countdown
25 8 3 4 2
588
TARGET
1
Code Words • D x D• F + M• C x E• X – H• Y – T• B x I• U – A• E2
• P• R• O• P• E• R• T• Y
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
73
-16
+3
60%
÷9
4
n2
+19
x2
80%
-18
57
60
36
4
16
35
70
56
38
Maths Riddles • It is a square number• It is an odd number • It is less than 50 • It is greater than 20 • 7 is a factor
49
1
2
3
456
7
8
9Stop
Countdown
75 2 3 5 6
168
TARGET
7
Code Words • X ÷ D• C x E• T – E• B x J• Z ÷ M• V – U• C x F – F• Y ÷ E + G
• F• O• O• T• B• A• L• L
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
600
8%
-19
+3
x2
64
x90
10%
+29
-100
48
29
32
64
8
720
72
101
1
n
Maths Riddles • It is a square number• It is an even number • It is less than 50 • It is greater than 20 • 4 is a factor
36
1
2
3
456
7
8
9Stop
Countdown
75 6 5 4 1
817
TARGET
1
Code Words • O + A• C x D• V – U• X ÷ H• T ÷ D• F + G• N – M• C x H – D
• P• L• A• C• E• M• A• T
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
Paradox • Which weighs more 50kg of rocks or 50kg of
feathers?• How much earth is there in a hole 25m long,
6m wide and 2m deep• Farmer went into the field, and found 13
rabbits eating corn. He shot one-how many were left in the field?
• A squash racquet and ball cost me £31.60. the difference in price was £30 how much did the ball cost?
Angle Acronyms• 180 DIAT 360 DIAC• 180 DIASL 360 DIAQ• 90 DIARA 5SIAP• AAAE CAAE• ZAAAA 6SIAH
180 Deg in a triangle
180 Deg in a straight line
90 Deg in a right angle
Alternate angles are equal
Z angles are alternate angles
360 Deg in a circle
360 Deg in a quadrilateral
5 sides in a pentagon
Corresponding angles are equal
6 sides in a hexagon
1
2
3
456
7
8
9Stop
Countdown
50 6 9 4 4
432
TARGET
2
Code Words • V – S• X ÷ C• J ÷ B• L + G• D x E• B x G• J + K• C + D + F + G
• C• H• E• S• T• N• U• T
A = 1
B = 2
C = 3
D = 4
E = 5
F = 6
G = 7
H = 8
I = 9
J = 10
K = 11
L = 12
M = 13
N = 14
0 = 15
P = 16
Q = 17
R = 18
S = 19
T = 20
U = 21
V = 22
W = 23
X = 24
Y = 25
Z = 26
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