GCF and LCM Practice

What is the LCM?

• The LCM is the least common factor that both numbers share the least. 
• The LCM is a multiple that both numbers share the most.  
• The LCM is a multiple that both numbers share the least. 
• The LCM is a factor that both numbers share the least. 

What is the LCM of 7 and 8? 

• 7
• 8
• 42
• 56

GCF of 27 and 70

• 3
• 5
• 7
• 10

Which is a NOT a factor of 9?

• 0
• 1
• 3
• 9

Tags

CCSS.4.OA.B.4

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

Tags

CCSS.6.NS.B.4

Eason 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?

• 2
• 12
• 36
• 6

Tags

CCSS.6.NS.B.4

Maya had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?

• 4
• 2
• 48
• 8

Tags

CCSS.6.NS.B.4

Bella is making identical balloon arrangements for a party. She has 32 maroon balloons, 24 white
balloons, and 16 orange balloons. She wants each arrangement to have the same number of each
color. What is the greatest number of arrangements that she can make if every balloon is used?

• 32
• 192
• 4
• 8

Tags

CCSS.6.NS.B.4

Addison has pieces of train track that are 8 inches long that she is connecting together to form a track that her train can travel on. Martin is also trying to construct a track for his train but is using track pieces that are 20 inches long. How long will the shortest track be if the track that Melanie builds ends up being the same length as Martin’s track?

• 4 inches
• 20 inches
• 30 inches
• 40 inches

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

CCSS.6.EE.C.9

At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items?

• 16th customer
• 150th customer
• 300th customer
• 180th customer

Tags

CCSS.6.NS.B.4