Ratios and Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is a Rate?

Back

A rate is a ratio that compares two different units, such as miles per hour.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of 4 triangles to 12 squares in simplest form?

Back

1 : 3

Front

If a class has 15 boys and 20 girls, what is the boy:girl ratio in simplest form?

Back

3 : 4

Front

What is the rate for 7 concert tickets if 4 tickets cost $124?

Back

$217

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second as the denominator.

Front

What does it mean if two ratios are equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar.

Front

What is the relationship between ratios and proportions?

Back

A proportion states that two ratios are equal.