Ch. 3 Unit Test

Divisibility/Factors

100

Tell whether each number is divisible by 2, 3, 4, 5, 6, 9, 10: 530

2, 5, 10

200

Tell whether each number is divisible by 2, 3, 4, 5, 6, 9, 10: 1016

2, 4

300

List the factors of 10

1, 2, 5, 10

400

List the factors of 21

1, 3, 7, 21

500

List the factors of 42

1, 2, 3, 6, 7, 14, 21, 42

GCF/LCM

100

GCF of 15 and 20

5

200

GCF of 8 and 16

8

300

LCM of 4 and 12

12

400

LCM of 8 and 11

88

500

LCM of 3, 5, 10

30

Reduce Fractions/ Mixed Numbers

100

Reduce 6/8

3/4

200

Convert 14/3 to a mixed number

4 2/3

300

Reduce 4/22

2/11

400

Convert to an mixed number: 17/5

3 2/5

500

Convert 3 2/9 to an improper fraction

29/9

Convert Fractions and Decimals

100

0.31 to fraction

31/100

200

3/4 to decimal

0.75

300

1/5 to decimal

0.20

400

2/3 to decimal

0.6 repeating

500

0.202 to fraction

202/1000 = 101/500

Estimate/Add Fractions

100

Estimate: 3/31 + 6/11

1/3 + 1/2 = 5/6

200

Estimate: 42 3/15 - 10 9/70

42 + 11 = 53

300

Solve 4/13 + 5/13

9/13

400

Solve and reduce 5/12 + 1/12

1/2

500

Estimate 17/204 + 4/5 + 11/20

20/200 + 1 + 1/2 = 20/200+ 1 + 100/200 = 

1 120/200 = 1 12/20