Ratio Tables

Front

What is a ratio table?

Back

A ratio table is a tool used to organize pairs of numbers that form equivalent ratios, helping to visualize the relationship between quantities.

Front

How do you find the number of people per table if 90 people are seated at 15 tables?

Back

Divide the total number of people (90) by the number of tables (15) to find that there are 6 people per table.

Front

If 5 tea bags are used for 1 gallon of water, how many tea bags are needed for 4 gallons?

Back

Multiply the number of tea bags (5) by the number of gallons (4) to find that 20 tea bags are needed.

Front

True or False: Ratio tables contain pairs of numbers that are equivalent ratios.

Back

True

Front

How many students are on 2 teams if 72 students are divided into 12 teams?

Back

Each team has 6 students, so 2 teams have 12 students.

Front

If 1 scoop of coffee grounds is added to 2 cups of water, how many cups of water are needed for 5 scoops?

Back

Multiply the number of scoops (5) by the cups of water per scoop (2) to find that 10 cups of water are needed.

Front

What is the purpose of using a ratio table?

Back

The purpose of using a ratio table is to simplify the process of finding equivalent ratios and solving problems involving proportional relationships.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction or if their cross products are equal.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

If a recipe calls for 3 cups of flour for 4 servings, how much flour is needed for 10 servings?

Back

Use a ratio table to find that 7.5 cups of flour are needed for 10 servings.