Ratios and Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

Which of the following is NOT a unit rate? 1 minute : 3 feet, 0.3 miles : 1 minute, 4 dogs, 1 yard, 0.75 hour : 1 game

Back

1 minute : 3 feet.

Front

Which ratio is written incorrectly? X : Y, X and Y, X/Y, X to Y

Back

X and Y.

Front

What is a Unit Rate?

Back

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

Front

What is a Rate?

Back

A rate is a ratio comparing two different quantities.

Front

How do you convert a ratio to a fraction?

Back

Write the ratio as a fraction with the first quantity as the numerator and the second as the denominator.

Front

What is the purpose of using ratios?

Back

Ratios help compare quantities and understand relationships between them.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What does it mean if two ratios are equivalent?

Back

It means they represent the same relationship between quantities.