Ratios and Unit Rate

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:b'.

Front

How do you simplify a ratio?

Back

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

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.

Front

How do you find a unit rate?

Back

A unit rate is found by dividing the first quantity by the second quantity, resulting in a value per one unit of the second quantity.

Front

What is the unit rate of 440 miles in 8 hours?

Back

55 miles in 1 hour.

Front

If the ratio of red paint to yellow paint is 3:5, how much yellow paint is needed for 9 oz of red paint?

Back

15 oz of yellow paint.

Front

What is a ratio table?

Back

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

Front

How do you complete a ratio table?

Back

To complete a ratio table, find missing values that maintain the same ratio as the given pairs.

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

What does it mean if two ratios are proportional?

Back

Two ratios are proportional if they express the same relationship, meaning their cross products are equal.