Ratios, Equivalent Ratios, Ratio Tables

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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.

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How can a ratio be expressed?

Back

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

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What are equivalent ratios?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different (e.g., 1:2 and 2:4 are equivalent).

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How do you find equivalent ratios?

Back

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

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What is a ratio table?

Back

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

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If the ratio of birds to all animals is 3:18, how many birds are there if there are 18 animals?

Back

There are 3 birds.

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

Back

There are 16 red pens.

Front

What is the ratio of bananas to apples if there are 2 bananas for every 7 apples?

Back

The ratio of bananas to apples is 2:7.

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Back

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How many ways can you write a ratio?

Back

You can write a ratio in 3 ways: as a fraction, with a colon, or in words.