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.

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 is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between two 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

What is the simplest form of a ratio?

Back

The simplest form of a ratio is when the two quantities are expressed in the smallest whole numbers possible.

Front

If the ratio of apples to oranges is 4:5, what is the equivalent ratio if both are multiplied by 2?

Back

The equivalent ratio is 8:10.

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What is the ratio of pears to apples if there are 5 pears and 4 apples?

Back

The ratio of pears to apples is 5:4.

Front

How do you simplify the ratio 6:9?

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To simplify 6:9, divide both numbers by their greatest common divisor, which is 3. The simplified ratio is 2:3.

Front

What is the ratio of red LEGOs to yellow LEGOs if there are 3 red and 6 yellow?

Back

The ratio of red to yellow LEGOs is 1:2.

Front

If you have a ratio of 2:8, what is its simplest form?

Back

The simplest form of 2:8 is 1:4.