Find the GCF of Two Numbers

Ms. Franco has 64 pencils and 48 erasers. She wants to put an equal number of pencils and erasers into boxes for her students. What is the GREATEST number of pencils or erasers Ms. Franco can put in each box?

Mathematical Equivalence

ON

GCF of 24 and 56

• 2

• 4

• 6

• 8

Match the following GCF to the Expression

• 8

• 9 and 81

• 9

• 21 and 28

• 5

• 5 and 5

• 7

• 4 and 2

• 2

• 8 and 72

GCF of 10 and 12

• 5

• 2

• 3

• 6

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

GCF of 10 and 50

• 10

• 2

• 5

• 50

GCF of 5 and 35

• 7

• 5

• 2

• 35

GCF of 15 and 35

• 15

• 3

• 7

• 5

GCF of 10 and 75

• 5

• 10

• 2

• 25

GCF 15 and 33

• 15

• 3

• 11

• 5