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GCF and LCM Review

Authored by Camryn Keen

Mathematics

6th Grade

CCSS covered

GCF and LCM Review
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the GCF of 16 and 48?

8

6

16

48

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The greatest common factor is when the two numbers are multiplied. Ex: 3 * 6 = 18. The GCF of 3 and 6 is 18.

True
False

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the LCM of 8 and 12?

12

96

24

48

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The LCM is the least number that is a multiple of two numbers. Ex: The LCM of 8 and 16 = 16.

True
False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a prime number?

An odd number

Numbers that have more than 2 factors.

An even number

A number greater than one that only has two factors. (1 and itself)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Select the prime number.

9

15

17

63

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the prime factorization of the number 84?

2x2x3x7

3x4x7

2x6x7

2x2x3x3x7

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