Chapter 4 Review

Prime Factorization

100

Find the prime factorization: 81

3⁴

200

Find the prime factorization: 72

2³ x 3²

300

Find the prime factorization: 30

2 x 3 x 5

400

Find the prime factorization: 144

2⁴ x 3²

500

Find the prime factorization: 60

2² x 3 x 5

GCF

100

Find the GCF: 63, 81

9

200

Find the GCF: 12, 16

4

300

Find the GCF: 12, 18, 42

6

400

Find the GCF: 14, 49, 70

7

500

Find the GCF: 8, 10, 20

2

Fractions, Decimals, and Percents

100

Write the fraction in simplest form: 14/35

2/5

200

Weite as a decimal: 11/40

0.275

300

Write as a mixed number in simplest form: 4.48

4 12/25

400

Write as a decimal: 99.9%

0.999

500

Write as a percent: 0.038

3.8%

LCM

100

Find the LCM: 6, 16

48

200

Find the LCM: 24, 36

72

300

Find the LCM: 1,2,5

10

400

Find the LCM: 2, 3, 7

42

500

Find the LCM: 36, 48

144

Comparing and Ordering

100

Order from least to greatest: 0.8, 17/20, 17%

17%, 0.8, 17/20

200

Order from least to greatest: 70%, 0.6, 2/3

0.6, 2/3, 70%

300

Order from least to greatest: 61/100, 0.65, 61.5%

61/100, 61.5%, 0.65

400

Compare using <,>, or =: 4/6 and 5/9

>

500

Compare using <,>, or =: 8/24 and 20/60

=