Lesson 1.5 - Application of GCF

GCF or LCM?

A jeweler is making identical necklaces. He has 24 gold beads and 144 glass beads. What is the greatest number of necklaces he can make using all the gold and glass beads?

• 2

• 12

• 24

• 144

Cristian has 15 oranges, 9 peaches, and 18 pears. He wants to put all the fruit into baskets. Each basket must have the same number of fruits. Without mixing fruits, what is the greatest number of pieces of fruit that Cristian can put in each basket?

• 3

• 5

• 6

• 270

GCF or LCM?

Amelia is decorating identical picture frames. She has 75 red feathers and 30 blue tiles. What is the greatest number of frames she can decorate using all the feathers and tiles?

• 3

• 5

• 15

• 150

What does GCF stand for?

• Good Cold Flu
• Gaussian Coefficient Formula
• Given Clear Function
• Greatest Common Factor

Tags

CCSS.6.NS.B.4

Ashley is bagging 32 pumpkin and 28 banana muffins. Each bag will hold only one type of muffin. What is the greatest number of muffins she can put in one bag?

• 4

• 7

• 8

• 224

Mr. Yaw's bookshelf holds 20 nonfiction and 15 fiction books. Each shelf holds the same number of books and contains only one type of book. How many books will be on each shelf if they hold the greatest number of books?

• 3

• 4

• 5

• 60

What is the correct expression using Distributive Property for : 39 + 78

• 1 + ( 39 + 78 )

• 3 + ( 13 x 26 )

• 13 x ( 3 x 6 )

• 39 x (1 + 6 )

Tags

CCSS.7.NS.A.1D

There are 36 boxes of sandals and 30 boxes of sneakers in a shoe store. If each shelf will only have one type of shoe box on it, what is the greatest number of boxes a shoe salesman can put on a shelf?

• 2

• 3

• 6

• 180

Re-write using the Distributive Property : 72 + 256

• 2 x ( 36 x 128 )

• 4 + ( 9 + 32 )

• 8 x ( 9 + 32)

Tags

CCSS.7.NS.A.1D

I baked 28 sugar and 36 chocolate chip cookies. Each bag will contain only one type of cookie and the same number of cookies. What is the greatest number of cookies I can put in each bag?

• 4

• 7

• 9

• 252