Fluency Friday 2

What is the LCM (Least Common Multiple) of 4 and 10?

• 4

• 40

• 15

• 20

What is the GCF (Greatest Common Factor) of 12 and 6?

• 1

• 6

• 2

• 3

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

GCF 24 and 36

• 8
• 6
• 12
• 4

Sara 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

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

Which of the following is a multiple of 7?

• 14

• 17

• 22

Tags

CCSS.4.OA.B.4

List all the factors of 12

• 1, 2, 3, 4, 6, 12
• 1, 2, 4, 12
• 1, 12
• 1, 2, 3, 4, 5, 6, 12

Tags

CCSS.4.OA.B.4

A radio station is giving away a $100 bill to every 30th caller and movie tickets to every 40th caller. Which caller will be the first to win both prizes?

• 5

• 2

• 1200

• 120