Measurement Ratios

Which sentence accurately represents the following ratio:

• The ratio of moons to suns is 4 to 8

• There are 4 moons for every 8 suns

• There are 4 moons for every 2 suns

• The ratio of suns to moons is 2:1

Ratios that have the same value.

• Scale Factor

• Equivalent Ratio

• Corresponding Sides

• Rate

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

1 foot (ft) = ___ inches (in)

• 5

• 20

• 12

• 16

2 pints (pt) = ___ quarts (qt)

• 1

• 4

• 16

• 2

1 centimeter (cm) = ___ millimeters (mm)

• 5

• 10

• 100

• 12

1/2 gallon = ___ cups

• 16

• 2

• 8

• 47

Are these ratios equivalent?

2:3 and 8:12

• Yes

• No

A rate is a ratio of two quantities using different units.

• False

• True

Convert 2 feet to inches using the ratio 1 foot = 12 inches.

• 24 inches

• 10 inches

• 15 inches

• 2 inches