GCF, LCM, Ratios, Unit Rates, and Ratio Tables

Which are factors of 3?

• 0,3,6,9,12,15,18

• 1,3

• 1,3,4,12

• 3 is a prime number

Find the Greatest Common Factor (GCF) of 20 and 32

• 2

• 640

• 6

• 4

There are 12 chocolate cupcakes and 16 vanilla cupcakes. Write the ratio of total cupcakes to chocolate cupcakes.

• 16:28

• 7:3

• 3:4

• 3:7

Which are multiples of 12?

• 1,12

• 12, 22, 32, 42, 52

• 0, 12, 24, 36, 48, 60

• 1,2,3,4,6,12

Find the Lowest Common Multiple of 7 and 8

• 49

• 56

• 63

• 42

Mr. Francis travels 252 miles in 4 hours. Find the unit rate of miles per hour.

• 63 miles in 1 hour

• 56 miles in one hour

• 72 miles in 1 hour

• 60 mph

Write 28 skittles to 36 air heads in simplest form.

• 9/7

• 64/28

• 7/9

• 3/4

Ken's Home Supply charges $_____ per ft of fence

• $7/ft

• $8/ft

• $5/ft

• $4.50/ft

Each CD costs $_____

• $3.75

• $3.50

• $4

• $3

The point is located at (___,___)

• (5,4)

• (4,4)

• (4,5)

• (5,5)