Rates Ratios and Proportions Practice

Front

What is a unit rate?

Back

A unit rate is a comparison of a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or dollars per item.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you earn $20.40 in 3 hours, the unit rate is $20.40 ÷ 3 = $6.80 per hour.

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 (GCF). For example, the ratio 32 to 4 simplifies to 8 to 1.

Front

What is the simplest form of the ratio 120:5?

Back

The simplest form of the ratio 120:5 is 24:1.

Front

If Autumn used 8 centimeters of tape to wrap 4 presents, how much tape does she use per present?

Back

Autumn uses 2 centimeters of tape per present (8 cm ÷ 4 presents = 2 cm per present).

Front

If Autumn used 30 centimeters of tape, how many presents did she wrap?

Back

Autumn wrapped 15 presents using 30 centimeters of tape (30 cm ÷ 2 cm per present = 15 presents).

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 quantity is the denominator.

Front

How do you write a ratio in fraction form?

Back

Front

What is a proportion?

Back