Ratios and Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is a Unit Rate?

Back

A unit rate is a rate where the denominator is 1.

Front

If there are 1 PC for every 5 Mac computers, how many Macs are there if there are 24 computers total?

Back

20 Macs.

Front

What is the unit rate in dollars per pound if you spend $40 on 5 pounds of concrete?

Back

$8 per pound.

Front

What is the missing number in the ratio table if the ratio is 4:5 and the first number is 76?

Back

95.

Front

How do you convert a ratio to a fraction?

Back

Write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the relationship between ratios and rates?

Back

Ratios compare two quantities, while rates compare two quantities with different units.

Front

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

Back

2:3.

Front

How do you simplify the ratio 8:12?

Back

By dividing both numbers by their greatest common divisor, which is 4, resulting in 2:3.

Front

What is an example of a rate?

Back

Speed, such as 60 miles per hour.