Ch 4 Go Math Review: Ratios!

Front

What is a ratio?

Back

A comparison of two numbers.

Front

If oranges cost $2.20 per pound, how much do 3 pounds cost?

Back

$6.60

Front

What is the unit rate if you spend $40 on 5 pounds of concrete?

Back

$8 per pound.

Front

Are the fractions 1/2 and 2/4 equivalent?

Back

No.

Front

How far did Erik run in 4 minutes if he runs 80 meters per minute?

Back

320 meters.

Front

What is the formula to find the unit rate?

Back

Total cost divided by total quantity.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much flour is needed for 4 cups of sugar?

Back

6 cups of flour.

Front

What does it mean if two ratios are equivalent?

Back

They represent the same relationship between quantities.

Front

If you buy 10 pounds of apples for $15, what is the cost per pound?

Back

$1.50 per pound.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions.