GCF & LCM Review

What is the GCF of 24 and 60.

• 6

• 12

• 84

• 4

What is the GCF of 12 and 30?

• 2

• 30

• 60

• 6

Tags

CCSS.6.NS.B.4

What is the LCM of 3 and 6?

• 6

• 12

• 18

• 24

Tags

CCSS.6.NS.B.4

What is the LCM of 12 and 10?

• 1

• 2

• 60

• 120

Tags

CCSS.6.NS.B.4

Find the GCF of 25 and 40

• 5

• 8

• 2

• 10

Tags

CCSS.6.NS.B.4

Should you find the GCF or LCM?

Sara is making snack packs. She has 9 granola bars and 6 bottles of water. What is the greatest number of packs she can make with no leftovers?

• LCM

• GCF

• 3

• 18

Is this question asking to find GCF or LCM?

• GCF
• LCM

Tags

CCSS.6.NS.B.4

Is this question asking to find GCF or LCM?

• GCF
• LCM

Tags

CCSS.6.NS.B.4

Pencils come in packs of 8 and highlighters in packs of 12.

What is the least number of pencils and highlighters you need to buy for an equal amount?

• 4

• 48

• 24

Tags

CCSS.6.NS.B.4

You have 18 red legos and 24 green legos.  You need to combine them into groups of the same size with the same number of red and green legos in each group.
A.  What is the greatest number of groups you can make?
B.  How many red and green legos will be in each group?

• A.  6 groups  B.  3 red and 4 green
• A.  72 groups  B.  6 red and 3 green
• A.  3 groups  B.  6 red and 8 green

Tags

CCSS.6.NS.B.4

CCSS.6.RP.A.1

CCSS.6.RP.A.3