Grade 5 Unit 2 Test Review

Factors

100

List all the factors of 14

1, 2, 7, 14

200

List all the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

300

List all the PRIME factors of 36

2, 3

400

List all the prime factors of 51

3, 17

500

List all the factors of 42

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

Prime Factorization

100

What is the prime factorization of: 24

2, 2, 2, 3

200

What number does the following prime factorization make?

3, 2, 3, 5, 2

180

300

What is the prime factorization of 40?

2, 2, 2, 5

400

What is the prime factorization of 210?

2, 3, 5, 7

500

What is the prime factorization of 54?

2, 3, 3, 3

GCF

100

What is the GCF of 2 and 3?

1

200

What is the GCF of 6 and 18?

6

300

Find the GCF of 30 and 40

10

400

Find the GCF of 24 and 36

12

500

List three different key words that tell you a word problem is asking for the GCF

Biggest, largest, greatest

LCM

100

Find the LCM of 2 and 3

6

200

Find the LCM of 6 and 8 

24

300

Find the LCM of 10 and 20

20

400

Find the LCM of 8 and 9

72

500

List three different key words that tell you a word problem is looking for the LCM.

Smallest, least, at the same time

Order of Operations

100

6 + 4 x 2 

14

200

(14 - 5) x (10 - 7)

27

300

48 ÷ 8 ÷ 2 x (4 x 5) - 17

43

400

45 ÷ (10 ÷ 2) + (5 x 8 + 4) + 90 ÷ 10

62

500

(6 x 6) ÷ [ (9 ÷ 3) x 4] + (5 + 2) + (8 x 7 ÷ 8) 

17