Unit Rate & Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or 'a:b'.

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 unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

What is the ratio of 4 triangles to 12 squares?

Back

The ratio is 1:3 after simplifying.

Front

If there are 10 dimes and 8 quarters, what is the ratio of quarters to dimes?

Back

The ratio is 4:5 after simplifying.

Front

What is the ratio of girls to boys if there are 9 girls and 7 boys?

Back

The ratio is 9:7.

Front

How do you compare two ratios?

Back

To compare two ratios, convert them to fractions and find a common denominator or cross-multiply.

Front

What is the better deal: $4.39 for 11.5 oz of Doritos or $3.24 for 9.75 oz of Cheetos?

Back

Cheetos is the better deal.

Front

What does it mean to express a ratio in simplest form?

Back

Expressing a ratio in simplest form means reducing it to the smallest whole numbers that maintain the same relationship.