Unit 2 Review- Ratios/Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is a rate?

Back

A rate is a ratio that compares two different units of measurement.

Front

How do you simplify the ratio 12:36?

Back

1:3

Front

What is the unit rate if Elijah earns $200 for 8 hours of work?

Back

$25 per hour

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if they are equivalent.

Front

What is the unit rate for 88 students in 4 classes?

Back

22 students per class.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

What is the definition of a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If 5 apples cost $2, what is the cost of 1 apple?

Back

$0.40 per apple.

Front

What is the first step to solve a proportion?

Back

Cross-multiply the two ratios.