You have 18 red legos and 24 green legos. You need to combine them into groups of the same size with the same number of red and green legos in each group. A. What is the greatest number of groups you can make? B. How many red and green legos will be in each group?

A. 6 groups B. 3 red and 4 green

A. 72 groups B. 6 red and 3 green

A. 3 groups B. 6 red and 8 green

GCF and LCM Review

Quiz

•

Mathematics

•

6th Grade

•

Practice Problem

•

Medium

•

CCSS

6.NS.B.4, 4.OA.B.4, 6.RP.A.1

+1

Standards-aligned

Claire Humphrey

Used 127+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the GCF of 12 and 30

12

2

5

6

Tags

CCSS.6.NS.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the GCF of 15 and 45

3

5

15

30

Tags

CCSS.6.NS.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the GCF of 25 and 40

5

8

2

10

Tags

CCSS.6.NS.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the LCM of 18 and 24

48

36

72

432

Tags

CCSS.6.NS.B.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the LCM of 14 and 21

28

42

7

294

Tags

CCSS.6.NS.B.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the LCM of 3 and 8

3

16

24

72

Tags

CCSS.6.NS.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the LCM of 9 and 12

3

18

36

72

Tags

CCSS.6.NS.B.4

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GCF and LCM Review

15 questions

Find the GCF of 12 and 30

Find the GCF of 15 and 45

Find the GCF of 25 and 40

Find the LCM of 18 and 24

Find the LCM of 14 and 21

Find the LCM of 3 and 8

Find the LCM of 9 and 12

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