Greatest Common Factor (GCF)

Greatest Common Factor (GCF)

6th - 8th Grade

10 Qs

quiz-placeholder

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Greatest Common Factor (GCF)

Greatest Common Factor (GCF)

Assessment

Quiz

Mathematics

6th - 8th Grade

Medium

Created by

Jean Wanamaker

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

List the factors of 12 & 20, then identify the greatest common factor.

12 -

20 -

GCF=

12- 1, 2, 5, 7  

20-10, 20, 30, 40

GCF 10

12-1, 12, 24, 36  

20-20, 40, 60, 80 GCF 40

12-2, 4, 6  

20-1, 10, 20

GCF 20

12-1, 2, 3, 4, 6, 12  20-1, 2, 4,5,10, 20 GCF 4

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the greatest common factor of 10 and 25?

5

1

10

1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the greatest common factor of 4 and 8?

2

8

4

1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the factors of 16 and 24? What is the GCF?

16-1, 3, 6, 12, 16 24-1, 2, 4, 6, 24

GCF = 4

16-1, 2, 4, 8, 16 24-1, 2, 3, 4, 6, 8, 12, 24

GCF = 8

16-16, 32, 48, 54

24-24, 48, 72, 96

GCF = 8

16- 1, 2, 16 24-1, 2, 12, 24

GCF = 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the GREATEST COMMON FACTOR of 12 and 18?

2

3

4

6

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the GCF of 8 and 10?

1
3
4
2

7.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

Find the greatest common factor of 20 and 30

2
5
10
15

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