Bits & Pieces Review 2

Front

What is a rate?

Back

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

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. For example, if you earn $12 for 3 hours of work, the unit rate is $4 per hour.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor (GCF). For example, the ratio 15:6 simplifies to 5:2.

Front

What is the difference between a ratio and a fraction?

Back

A ratio compares two quantities, while a fraction represents a part of a whole.

Front

Are the ratios 13:20 and 1:2 equivalent?

Back

No, they are not equivalent.

Front

How do you find a unit rate from a given rate?

Back

To find a unit rate, divide the first quantity by the second quantity to find the amount per one unit of the second quantity.

Front

What is the formula to calculate speed?

Back

Speed = Distance / Time.

Front

If a car travels 150 miles in 3 hours, what is its speed?

Back

50 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.

Front

How can you express the ratio of 15 girls to 6 boys as a fraction?

Back

The ratio can be expressed as 5/2 in simplest form.