Bits & Pieces Review 2

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as $6 for each hour.

Front

Are the ratios 2/4 and 3/10 equivalent?

Back

No, the ratios 2/4 and 3/10 are not equivalent.

Front

If a recipe requires 2 cups of milk for every 3 cups of flour, how many cups of flour are needed for 8 cups of milk?

Back

12 cups of flour are needed.

Front

What is the boy:girl ratio in a class with 15 boys and 20 girls in simplest form?

Back

The boy:girl ratio is 3:4.

Front

How fast did Hailey’s plane climb every second if it ascended 4,500 feet in 90 seconds?

Back

The plane climbed 50 feet every second.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

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

Front

What is the difference between a rate and a unit rate?

Back

A rate is a ratio that compares two different units, while a unit rate is a rate where the second quantity is one unit.

Front

If a car travels 120 miles in 2 hours, what is the unit rate in miles per hour?

Back

The unit rate is 60 miles per hour.

Front

What does it mean for two ratios to be equivalent?

Back

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