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Review Prime factorization

Authored by Phát Trần

Mathematics, English

6th Grade

Used 2+ times

Review Prime factorization
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kelsey has 6 blue marbles and 9 white ones. If she wants to place them in identical groups without any marbles left over, what is the greatest number of groups Kelsey can make?

6

9

3

54

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A family is preparing backpacks filled with school supplies to donate to children in need. They have 10 pencils and 20 notebooks. If they want to make all the backpacks the same, with no school supplies left over, what is the greatest number of backpacks they can fill?

12

10

20

30

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Elizabeth's Sweets sells donuts in packages of 10. Across town, Madison Pastries sells donuts in packages of 5. If Heather wants to buy the same number of donuts from each bakery for a taste test, what is the smallest number of donuts she will have to buy from each?

10

15

50

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the highest common factor and least common multiple of 576 and 1440

300 and 3490

57 and 1000

288 and 2880

450 and 2880

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the GCF of 20, 30 and 50

10

20

15

25

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the GCF of 32, 48, 40

4

8

6

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the LCM of 32, 40, 16

100

150

160

170

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