Fractions and Factors Practice 1

1
Fractions and Factors Practice 1

• Prime Factorization
• Greatest Common Factor (CGF)
• Least Common Multiple (LCM)
• Comparing Fractions

2
2 x 2 x 2 x 3

• a. 40
• b. 24
• c. 36
• d. 9

3
2 x 2 x 3 x 5

• a. 45
• b. 30
• c. 50
• d. 60

4
36

• a. 3 x 3 x 2
• b. 3 x 3 x 3
• c. 3 x 3 x 3 x 2
• d. 3 x 3 x 2 x 2

5
54

• a. 3 x 3 x 3 x 2
• b. 3 x 3 x 3
• c. 5 x 3 x 2
• d. 3 x 3 x 2 x 2

6
What shows common factors of 27 36?

• a. 2, 3
• b. 3, 9
• c. 3, 4
• d. 3, 5

7
What is the GCF of 12 30?

• a. 2
• b. 3
• c. 6
• d. 24

8
What is the GCF of 16 28?

• a. 2
• b. 4
• c. 6
• d. 8

9
What shows common factors of 18 24?

• a. 2, 3
• b. 2, 4
• c. 2, 8
• d. 2, 9

10
What is the Least Common Multiple of 4 6?

• a. 24
• b. 8
• c. 16
• d. 12

11
What is the Least Common Multiple of 5 15?

• a. 15
• b. 5
• c. 30
• d. 45

12
What is the Least Common Multiple of 6 10?

• a. 60
• b. 20
• c. 30
• d. 40

13
What is the Least Common Multiple of 2, 3 4?

• a. 8
• b. 12
• c. 16
• d. 20

14
Which amount is the greatest?

• a. 3/4
• b. 7/12
• c. 2/6

15
Which amount is the greatest?

• a. 1/2
• b. .6
• c. 4/5

16
Which amount is the least?

• a. 1/4
• b. 3/8
• c. 2/16

17
Which amount is the least?

• a. 1/3
• b. 1/4
• c. 5/12

18
Fantastic Factoring Fraction Figuring,
Fifth-Graders!

• Keep it up!