Mr. Cohen's Unit 1 Review

I can figure out the GCF or LCM.

100

What is the LCM of 10 and 6

30

200

What is the LCM of 5 and 10?

10

300

What is the GCF of 63 and 54

9

400

What is the GCF of 21 and 14?

7

500

What is the GCF of 18 and 36?

18

I can solve decimal problems

100

5.5 + 7.25

12.75

200

15- 4.52

10.48

300

1.5 x .37

.555

400

28/.04

700

I can divide fractions using standard algorithm.

100

What is our dividing fractions rule?

Keep, Change, Flip, Multiply!

200

1/5 ÷  3/4

4/15 

300

4/5 ÷ 6/5 

2/3

400

1/4 ÷ 4

1/16

500

2 1/4 ÷ 4/8 

4 1/2