week 15 dca review tenths & hundredths equivalent fractions factors, cf, & gcf prime &...

Week 15 DCA ReviewTenths &

HundredthsEquivalent Fractions

Factors, CF, & GCF

Prime & Composite

Comparing & Ordering Fractions

10 10 10 10 10

20 20 20 20 20

30 30 30 30 30

40 40 40 40 40

50 50 50 50 50

How would you write 0.08 as a fraction?

8100

How would you write 0.003 as a fraction?

31000

How would you write 0.54 as a fraction?

54100

How would you write 0.062 as a fraction?

621000

How would you write 5.015 as a fraction?

1510005

2 = __ 3 12

2 = 8 3 12

7 = __ 8 64

7 = 56 8 64

16 = 4 24

16 = 4 24 6

Which of the following is equivalent to 3/7?

A. 6/21

B. 12/28

C. 15/28

D. 15/62

Which of the following is equivalent to 3/7?

A. 6/21

B. 12/28

C. 15/28

D. 15/62

Which of the following is equivalent to 8/13?

A. 16/27

B. 16/39

C. 24/39

D. 32/39

Which of the following is equivalent to 8/13?

A. 16/27

B. 16/39

C. 24/39

D. 32/39

Which list shows the factors of 36?

A. 1,2,3,5,18,36

B. 1,2,3,4,7,9,12,18,36

C. 1,3,4,6,9,12,18,36

D. 1,2,3,4,6,9,12,18,36

Which list shows the factors of 36?

A. 1,2,3,5,18,36

B. 1,2,3,4,7,9,12,18,36

C. 1,3,4,6,9,12,18,36

D. 1,2,3,4,6,9,12,18,36

What are the common factors of 12 and 36?

A. 2,3,4,6,12

B. 1,2,3,4,6,12

C. 1,2,3,4,6

D. 1,2,4,6,9,12,36

What are the common factors of 12 and 36?

A. 2,3,4,6,12

B. 1,2,3,4,6,12

C. 1,2,3,4,6

D. 1,2,4,6,9,12,36

What are the common factors of 18 and 24?

A. 2,3,6

B. 1,2,3,6

C. 1,2,3,6,8

D. 2,3,6,8

What are the common factors of 18 and 24?

A. 2,3,6

B. 1,2,3,6

C. 1,2,3,6,8

D. 2,3,6,8

What is the GCF of 18 and 36?

A. 9

B. 6

C. 12

D. 18

What is the GCF of 18 and 36?

A. 9

B. 6

C. 12

D. 18

What is the GCF of 24 and 50?

A. 10

B. 5

C. 2

D. 8

What is the GCF of 24 and 50?

A. 10

B. 5

C. 2

D. 8

Which list contains only prime numbers?

A. 1,2,5,7,9

B. 2,3,9,11

C. 3,11,19,23

D. 5,7,15,17

Which list contains only prime numbers?

A. 1,2,5,7,9

B. 2,3,9,11

C. 3,11,19,23

D. 5,7,15,17

Which list contains only composite numbers?

A. 4,21,24,30

B. 2,4,6,8

C. 2,9,21,26

D. 13,19,23

Which list contains only composite numbers?

A. 4,21,24,30

B. 2,4,6,8

C. 2,9,21,26

D. 13,19,23

Give the definition of a prime & composite number

Prime Number: A number that only has two factors, 1 and itself.

Composite Number: A number that has more than two factors.

What is the 5th prime number?

2,3,5,7,11

Sing the first 11 prime numbers through 31

To the tune of Jingle Bells…

2,3,5,7,11,13,17,19,23,29,31 Hey!

Which of these is correct?

A. 1/3 < 2/9

B. ¾ > 12/16

C. 5/6 > 10/18

D. ¾ < 9/16

Which of these is correct?

A. 1/3 < 2/9

B. ¾ > 12/16

C. 5/6 > 10/18

D. ¾ < 9/16

Which of these is correct?

A. 2/3 < 9/12

B. 1/3 > 9/12

C. 2/3 = 9/12

D. ¾ < 6/16

Which of these is correct?

A. 2/3 < 9/12

B. 1/3 > 9/12

C. 2/3 = 9/12

D. ¾ < 6/16

Which of these fractions is the greatest?

A. 1/12

B. 5/6

C. 7/9

D. 5/36

Which of these fractions is the greatest?

A. 1/12

B. 5/6

C. 7/9

D. 5/36

A. 5/6, ¾, ½, 3/12

B. 3/12, ½, ¾, 5/6

C. ¾, 3/12, 5/6, 1/2

D. ½, ¾, 5/6, 3/12

Put these fractions in order from greatest to least

A. 5/6, ¾, ½, 3/12

B. 3/12, ½, ¾, 5/6

C. ¾, 3/12, 5/6, 1/2

D. ½, ¾, 5/6, 3/12

Put these fractions in order from greatest to least

Put these fractions in order from least to greatest

A. 9/16, ¾, 1/8, 11/16

B. 1/8, 9/16, ¾,11/16

C. 1/8, 9/16, 11/16, 3/4

D. ¾, 11/16, 9/16, 1/8

Put these fractions in order from least to greatest

A. 9/16, ¾, 1/8, 11/16

B. 1/8, 9/16, ¾,11/16

C. 1/8, 9/16, 11/16, 3/4

D. ¾, 11/16, 9/16, 1/8