Factors and Multiples

Factors

100

List the factors of 6

1, 2, 3, 6

200

List the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

300

What is a common factor of 12 and 18?

1, 2, 3, or 6

400

What is a common factor of 84 and 91 (besides 1)?

7

500

What is a common factor of 45, 18, and 108 (besides 1)?

3 or 9

Multiples

100

True or false: 8 is not a multiple of 8

False

200

List 3 multiples of 9

9, 18, 27, etc...

300

List 3 multiples of 85

85, 170, 255, etc.

400

What is a common multiple of 7 and 6?

42, 84, etc.

500

What is a common multiple of 17 and 7?

119, 238, etc.

GCF

100

True or false: The GCF of two numbers is generally greater than those two numbers

False

200

Find the GCF of 4 and 12

4

300

Find the GCF of 24 and 32

8

400

Find the GCF of 64 and 16

16

500

Find the GCF of 96 and 18

6

LCM

100

True or false: Any number is a multiple of itself

True

200

Find the LCM of 12 and 6

12

300

Find the LCM of 12 and 18

36

400

Find the LCM of 15 and 20

60

500

Find the LCM of 6, 8, and 9

72

Word Problems

100

Noah is making care packages for the cats at the local shelter. If he has 12 treats and 8 toys, what is the greatest number of equal bags he can make?

4 bags, each with 3 treats and 2 toys

200

Thelonious runs for 8 minutes at a time and sleeps for 10 minutes at a time. If he does both activities for the same amount of time, what is the least amount of time he can spend?

40 minutes

300

Mr. Daniel is buying food for Thelonious. Each package of wet food costs $24, and each package of dry food costs $32. If he spends the same amount of money on wet and dry food, what is the least amount he can buy?

$96

400

Carson bakes cookies for a bake sale supporting local animal shelters. He bakes 24 brownies and 32 cookies. If he wants to put the treats into packages with the same amount in each package, what is the greatest number he can make? What is in each package?

8 packages, each with 3 brownies and 4 cookies

500

Calvin is organizing his Pokemon cards. He has 18 water types, 36 grass types, and 45 fire types. If he wants to organize them in groups, each with the same number of each type, what is the largest number of groups he can make? How many of each type are in each group?

9 groups, each with 2 water, 4 grass, and 5 fire types.