Unit 1 Review

Multiplying decimals

100

What is 8.3x2.1

A. 17.43

B.16.3

C.14.31

D.16.13

A.17.43

200

10.2 x 7.8

79.56

Dividing decimals

100

7.2/1.5

A.4.2

B.4.8

C.5.06

D.3.6

B. 4.8

200

16.32/4

4.08

GCF and LCM

100

What is the GCF of 18 and 24

A.72

B.3

C.6

D.2

C.6

200

What is the LCM of 24 and 32

A. 96

B.8

C.72

D.32

A. 96

300

What is the GCF of 21 and 9

What is the LCM

GCF=3

LCM=63