Cycle 4 Flashcard : Rates, Ratios and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is a Unit Rate?

Back

A unit rate is a rate with a denominator of one.

Front

Back

Front

If a car travels 440 miles in 8 hours, what is the unit rate?

Back

The unit rate is 55 miles in 1 hour.

Front

What is the ratio of stars to rectangles if there are 6 stars and 4 rectangles?

Back

Front

Back

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

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 is the denominator.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 9 cups of flour?

Back

You need 6 cups of sugar.

Front

What is the formula to calculate a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.