Ratios and Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

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

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its simplest form, where the two numbers have no common factors other than 1.

Front

What is the simplest form of the ratio 8:12?

Back

The simplest form of the ratio 8:12 is 2:3.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

If the ratio is 2:3, then for 6 cups of flour, you need 4 cups of sugar.

Front

How do you find a missing value in a ratio?

Back

To find a missing value in a ratio, set up a proportion and solve for the unknown value.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios.

Front

How can you use a ratio table to solve problems?

Back

You can use a ratio table to find equivalent ratios, make predictions, and solve for unknown quantities.

Front

If 5 bags of popcorn cost $15, how much do 20 bags cost?

Back

If 5 bags cost $15, then 20 bags cost $60.

Front

What is the ratio of 20 weeks to 14 days in simplest form?

Back

The ratio of 20 weeks to 14 days in simplest form is 10 weeks:7 days.