GCF Between Two Numbers

Which answer would represent the GCF and Distributive Property of the numbers pictured?

• ( 9 + 21 )

• ( 1 + 3 )

• ( 3 + 7 )

• ( 3 + 9 )

Tommy has 24 football cards and 40 baseball cards. What is the greatest number of friends Tommy could equally split his cards between?

• 8 friends

• 4 friends

• 2 friends

• 12 friends

What is the GCF of 7 and 15?

• 2

• 1

• 7

• 60

Find the GCF:

• 1

• 2

• 8

• 12

Find the GCF of 12 and 18.

• 3

• 6

• 9

• 4

What is the GCF of 99 and 54?

• 6

• 1

• 3

• 9

Mary is organizing her marble collection into boxes. She has 18 red marbles and 24 yellow marbles. She wants every box to have the same number of each color of marbles. What is the greatest number of boxes Mary could use? How many red marbles would be in each box? How many yellow marbles would be in each box?

• 6 boxes: 3 red and 4 yellow

• 3 boxes: 6 red and 8 yellow

• 2 boxes: 9 red and 12 yellow

• 6 boxes, 4 red and 3 yellow

Write a number sentence, using Distributive Property & the Greatest Common Factor, between the two given numbers. 42 + 56

• 2(21 + 28)

• 14(3 + 4)

• 2(21) + 2(28)

• 7(6 + 8)

Write a number sentence using Distributive Property & the Greatest Common Factor, between the two given numbers.

24 + 39

• 1(24 + 39)

• 2(12 + 19)

• 3(8 + 13)

• 4(6 + 9)

Which statement shows the correct use of a common factor of 8 and 20 and the distributive property?

• (8 + 20)

• (3 + 5)

• (9) + (10)

• (4) + (10)