Ratio, Rates, and Unit Rates

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 in the form '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) until no further simplification is possible.

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 price?

Back

To find the unit price, divide the total cost by the number of units. For example, if 8 bottles cost $4.00, the unit price is $4.00 ÷ 8 = $0.50 per bottle.

Front

What is the boy:girl ratio in a class with 15 boys and 20 girls?

Back

3:4

Front

What is the ratio of triangles to squares if there are 4 triangles and 12 squares?

Back

1:3

Front

Which of the following is NOT equivalent to 3:5? 15:25, 9:15, 21:28, 30:50

Back

21:28

Front

What is the ratio of red to yellow marbles if there are 2 red and 5 yellow marbles?

Back

2:5

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

How do you express a ratio of 10 to 15 in simplest form?

Back

2:3