Ratios, Rates, Percents

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 divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or cost per item.

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total cost by the number of items.

Front

If 8 apples cost $4.72, what is the cost per apple?

Back

$0.59 per apple.

Front

What is the unit price of 3 candy bars that cost $8.19?

Back

$2.73 per candy bar.

Front

How do you compare unit prices?

Back

To compare unit prices, calculate the unit price for each option and choose the one with the lower cost.

Front

What is the unit price of Sargento cheese slices costing $2.48 for 10 slices?

Back

$0.248 per slice.

Front

What is the unit price of Velveeta cheese slices costing $3.18 for 12 slices?

Back

$0.265 per slice.