Equivalent Ratios and Unit Rates

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 1:2 and 2:4 are equivalent ratios.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total amount by the number of units. For example, if 10 cookies cost $4.00, the unit rate is $4.00 ÷ 10 = $0.40 per cookie.

Front

What is the unit rate of $27.00 for 4 movie tickets?

Back

The unit rate is $27.00 ÷ 4 = $6.75 per movie ticket.

Front

What is the ratio of 3:4 equivalent to?

Back

The ratio 3:4 is equivalent to 6:8.

Front

How do you calculate the cost per pound?

Back

To calculate the cost per pound, divide the total cost by the total weight. For example, if 4 pounds of bananas cost $6, the cost per pound is $6 ÷ 4 = $1.50.

Front

What is a ratio?

Back

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

Front

What does it mean if two ratios are equivalent?

Back

If two ratios are equivalent, they represent the same relationship between the quantities, meaning they can be simplified to the same fraction.

Front

How can you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms of the ratio by their greatest common factor.

Front

What is the unit rate of Alycia's earnings of $20.40 in 3 hours?

Back

The unit rate is $20.40 ÷ 3 = $6.80 per hour.

Front

If 10 apples cost $5, what is the cost per apple?

Back

The cost per apple is $5 ÷ 10 = $0.50.