LCM and GCF

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

Tags

CCSS.6.NS.B.4

What is the LCM of 12 and 10

• 120
• 50
• 60

Tags

CCSS.6.NS.B.4

Which pair of numbers has a GCF of 6?

• 3 and 18

• 6 and 12

• 12 and 24

Tags

CCSS.6.NS.B.4

Which pair of numbers has a LCM of 20?

• 4 and 5

• 2 and 10

• 5 and 10

Tags

CCSS.6.NS.B.4

Bill cut out 6 squares and 8 circles. He divided the cutouts into groups so that the same number of squares and circles were in each group. What is the greatest number of groups he could have made?

• 2

• 3

• 4

Tags

CCSS.6.NS.B.4

Every third visitor to a museum gets a free bumper sticker. Every fifth visitor to that museum gets a free key chain. Which visitor each day will be the first one to get both the bumper sticker and the key chain?

• 3rd

• 5th

• 15th

Tags

CCSS.6.NS.B.4

Which pair of numbers has a GCF of 10 AND a LCM of 60?

• 2 and 5

• 20 and 30

• 5 and 10

• 15 and 20

Tags

CCSS.6.NS.B.4

Which one shows the numbers in order from biggest to smallest?

• 3²,2³,6¹
• 6¹,2³,3²
• 2²,6¹,3²

Tags

CCSS.6.NS.C.7