Identify Equivalent Ratios and Complete Tables

Front

What is a ratio?

Back

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

Front

How can you express a ratio?

Back

A ratio can be expressed in three ways: as a fraction (e.g., 2/5), with a colon (e.g., 2:5), or in words (e.g., '2 to 5').

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number.

Front

If the ratio of red to blue pens is 2:5 and there are 40 blue pens, how many red pens are there?

Back

16 red pens.

Front

What is the missing value in the ratio table if the ratio is 2:4?

Back

The missing value is 4.

Front

What is the first step to complete a ratio table?

Back

Identify the known values and the relationship between the quantities.

Front

How can you check if two ratios are equivalent?

Back

Cross-multiply the ratios and see if the products are equal.

Front

What is the ratio of 3 to 9 simplified?

Back

The simplified ratio is 1:3.

Front

If you have a ratio of 5:10, what is an equivalent ratio?

Back

An equivalent ratio is 1:2.