Prime factorization and GCF.
Authored by Elizabeth Porras
Mathematics
6th Grade
CCSS covered
Used 75+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
GCF of 99 and 54. Use a factor tree.
Tags
CCSS.6.NS.B.4
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
What is the GCF of 18 and 24? List all factors of each number to find the GCF.
3
6
8
9
Tags
CCSS.6.NS.B.4
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
What is the greatest factor of 28 and 49? Use a factor tree to find the GCF.
Tags
CCSS.6.NS.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Find the GCF of:
1
15
115
345
Tags
CCSS.6.NS.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which pair of numbers have a GCF of 3?
15 and 27
20 and 30
45 and 15
9 and 18
Tags
CCSS.6.NS.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which pair of numbers has a GCF of 8?
8, 36
40, 80
16, 56
24, 42
Tags
CCSS.6.NS.B.4
7.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Use a number tree to find the prime factorization of 48
Tags
CCSS.6.EE.A.1
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