Factor Pairs and Common Multiples

The factor that pairs with 5 to get 60 is

Match the following multiples with the correct numbers

• 20,40,60,80

• 24

• 10,20,40,50

• 4

• 15,30,45,60

• 10

• 24, 48, 72, 96

• 20

• 4, 8, 12, 16

• 15

These two rectangles are created from factor pairs that make a product of

Select ALL factor pairs of 15

• (1, 15)

• (3, 5)

• (9, 6)

• (4, 3)

• (2, 8)

Select ALL factor pairs of 32

• (1, 32)

• (4, 8)

• (2, 18)

• (2, 16)

• (3, 12)

The factor pairs of 48 are 1 and ​ (a)   2 and ​ (b)   , 3 and ​ (c)   4 and ​ (d)   , 6 and ​ (e)  

• 24
• 12
• 48
• 8
• 6
• 14
• 22
• 16
• 18

The LCM (Least Common Multiple) of 8 and 12 is

The LCM (Least Common Multiple) of 9 and 10 is

One Ferris wheel takes 1 minute to make a full rotation. A second Ferris wheel takes 90 seconds to make a full rotation. How many seconds will it take for them to finish a rotation together at the bottom?

A neon sign blinks every 5 seconds. A second neon sign blinks every 12 seconds. How many seconds will it take for them to blink together?