Ratios and Rates Test

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Front

How do you express a ratio?

Back

Ratios can be expressed in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or in words (e.g., '2 to 3').

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is 1. For example, if a car travels 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you find the unit rate from a total distance and time?

Back

To find the unit rate, divide the total distance by the total time. For example, 320 miles ÷ 8 hours = 40 miles per hour.

Front

What is the unit rate of $3.75 for 3 pounds of granola?

Back

The unit rate is $1.25 per pound.

Front

What is the ratio of squares to circles if there are 12 squares and 6 circles?

Back

The ratio of squares to circles is 2:1.

Front

If there are 4 red apples and 3 green apples, what is the ratio of red apples to green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its simplest form by dividing both quantities by their greatest common divisor.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

How can you represent the ratio of 5 to 10 in fraction form?

Back

The ratio of 5 to 10 can be represented as 5/10, which simplifies to 1/2.