Unit 1 and 2 Review

Prime Factorization

100

Find the prime factorization of 16

16 = 2⁴

200

Find the prime factorization of 25

25 = 5²

300

Find the prime factorization of 54

54 = 2 x 3³

400

Find the prime factorization of 77

77 = 7 x 11

500

Find the prime factorization of 84

84 = 2² x 3 x 7

Multiplying and Dividing Integers

100

27 x 15

405

200

778 x 563

438,014

300

400 divided by 16

25

400

2*3*1*4*2

48

500

3*2*1*2*2*3

72

GCF prime factorization

100

Find the GCF by the prime factorizations

20, 45

The GCF of 20 and 45 is 5

200

Find the GCF by the prime factorization

24, 90

The GCF of 24 and 90 is 6

300

Find the GCF by the prime factorization

52, 68

The GCF of 52 and 68 is 4

400

Find the GCF by the prime factorization

32, 56, 96

The GCF of 32, 56, and 96 is 8

500

Find the GCF by the prime factorization

45, 75, 120

The GCF of 45, 75, and 120 is 15

Adding and Subtracting

100

7 -6

1

200

10 -4 + 2

8

300

5 + 11 -2 + 7

21

400

4 + 8 - 2 + 5 - 9 + 3 - 6

3

500

20 + 34 - 8  -1

45

GCF prime factorization

100

Find the GCF by the prime factorization

16, 20

4

200

Find the GCF by the prime factorization

6, 45

3

300

Find the GCF by the prime factorization

10, 12

2

400

Find the GCF by the prime factorization

18, 27

9

500

Find the GCF by the prime factorization

18, 27, 63

9