GCF - LCM

Find the GCF of 12 and 18

• 3

• 4

• 6

• 2

Find the GCF of 45 and 60

• 5
• 15
• 10
• 9

Tags

CCSS.6.NS.B.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

Tags

CCSS.6.NS.B.4

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

Tags

CCSS.6.NS.B.4

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?

• 48 seconds
• 45 seconds
• 16 seconds
• 3  seconds

Tags

CCSS.6.NS.B.4