GCF, LCM

GCF of 32 and 40

• 2

• 4

• 6

• 8

Find the LCM of each set of numbers.
8, 12 

• 48

• 24

• 76

• 96

GCF (25, 15)

• 5

• 10

• 15

• 20

LCM (9, 12)

• 9

• 36

• 12

• 3

You have a set of 12 hearts, 16 diamonds, and 20 clubs that need to be put into equal groups.  Each group must be made up of the same number of hearts, diamonds, and clubs.  What is the greatest number of groups that can be made?

• 6 groups

• 2 groups

• 4 groups

What is the GCF of 18 and 24?

• 3

• 6

• 42

• 72

What is the LCM of 9 and 6?

• 18

• 36

• 3

• 54

Anne is making activity baskets to donate to charity. She has 12 coloring books and 36 crayons. What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets? (think GCF)

• 2

• 12

• 36

• 6

GCF stands for...

• Greatest Coordinate Fraction

• Giant Circumference Fact

• Grouped Calculation Finder

• Greatest Common Factor

What is the GCF of 16 and 40?

• 4

• 8

• 80

• 10