Equivalent ratios and ratio tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

How do you determine if two ratios are equivalent?

Back

To determine if two ratios are equivalent, you can cross-multiply and see if the products are equal.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something (e.g., miles per hour).

Front

What is the unit rate for 25 hours in 5 days?

Back

The unit rate is 5 hours per day (25 hours ÷ 5 days).

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

The ratio of flour to sugar is 2:3.

Front

Find an equivalent ratio for 4:6.

Back

An equivalent ratio for 4:6 is 2:3.

Front

What is the price per gallon if 13 gallons cost $46.80?

Back

The price per gallon is $3.60 ($46.80 ÷ 13 gallons).

Front

If 15 pairs of socks cost $45, what is the cost per pair?

Back

The cost per pair is $3 ($45 ÷ 15 pairs).

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form equivalent ratios, often used to find missing values.