5.1 Ratios & Ratio Tables Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

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How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, you can set up a proportion based on the known values and solve for the unknown.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different, such as 1:2 and 2:4.

Front

If the ratio of girls to boys is 7:2, what is the ratio of boys to girls?

Back

The ratio of boys to girls is the inverse of the original ratio, which is 2:7.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF).

Front

What is the purpose of using ratio tables?

Back

Ratio tables help organize and visualize equivalent ratios and can be used to find missing values.

Front

If 1 quart of water requires 2 tablets of iodine, how many tablets are needed for 3 quarts?

Back

For 3 quarts, you need 6 tablets of iodine (2 tablets x 3 quarts).

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

How can you check if two ratios are equivalent?

Back

To check if two ratios are equivalent, cross-multiply and see if the products are equal.

Front

What is a ratio table?

Back

A ratio table is a tool used to display pairs of numbers that form equivalent ratios.