LCM, GCF and Prime Factorization

LCM, GCF and Prime Factorization

6th Grade

10 Qs

quiz-placeholder

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LCM, GCF and Prime Factorization

LCM, GCF and Prime Factorization

Assessment

Quiz

6th Grade

Hard

CCSS
4.OA.B.4

Standards-aligned

Created by

Amy Porter

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the least common multiple of 4 and 5?

40
60
1
20

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

GCF of 99 and 54

9
3
6
8

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which is not a factor of 18?

7
2
3
9

Tags

CCSS.4.OA.B.4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the GCF of 20 and 30?

5
2
10
20

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

7
14
22
28

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Use a number tree to find the prime factorization of 48

4x2x6
4x22x3
3x24
12x4

Tags

CCSS.4.OA.B.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Using a Factor Tree, find the prime factorization of 48 in expanded form. 

2 x 12 x 12
2 x 2 x 2 x 2 x 3 x 3 x 5
2 x 2 x 2 x 2 x 3
7 x 7 x 7 

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