Ratio Review

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: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 an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different, such as 2:3 and 4:6.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the formula to calculate rate?

Back

Rate = Total Quantity / Time.

Front

If 250 miles are covered in 5 hours, what is the rate?

Back

50 miles per hour.

Front

If 300 pages are read in 5 hours, what is the rate?

Back

60 pages per hour.

Front

If 120 cookies are baked in 2 hours, what is the rate?

Back

60 cookies per hour.

Front

What does it mean to simplify the ratio 6:9?

Back

It means to reduce the ratio to its simplest form, which is 2:3.

Front

What is the greatest common divisor (GCD)?

Back

The GCD is the largest number that divides two or more numbers without leaving a remainder.