Ratios and equivalent ratios

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.

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How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

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What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even though the numbers may be different (e.g., 1:2 is equivalent to 2:4).

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How can you find equivalent ratios?

Back

You can find equivalent ratios by multiplying or dividing both terms of the ratio by the same non-zero number.

Front

What is the ratio of school apps to game apps if Kelly has 10 apps with 5 school apps and 3 game apps?

Back

The ratio of school apps to game apps is 5 to 3.

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If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2 to 3.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4 to 3.

Front

If there are 3 stars and 4 squares, what is the ratio of stars to squares?

Back

The ratio of stars to squares is 3 to 4.

Front

What is the simplest form of the ratio 15:30?

Back

The simplest form of the ratio 15:30 is 1:2.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).