
Greatest Common Factor (GCF)
Quiz
•
Mathematics
•
6th - 8th Grade
•
Medium
Jean Wanamaker
Used 6+ times
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10 questions
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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?
7.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Find the greatest common factor of 20 and 30
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