Topic 3 Review (no Interest Problems)

Front

What is the amount of change if Sally was 50 inches last year and is 56 inches this year?

Back

6 inches

Front

How do you convert 0.032 to a percent?

Back

Multiply by 100 to get 3.2%.

Front

What is the 'original' height if Sally was 50 inches last year and is 56 inches this year?

Back

50 inches

Front

If a baseball team played 30 games and won 24, what percentage did they win?

Back

To find the percent, divide the part (24) by the whole (30) and multiply by 100.

Front

In a class of 40 students, if 85% passed the history test, what number of students passed?

Back

To find the part, multiply 40 by 0.85 to get 34 students.

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) x 100.

Front

If you have a whole of 200 and the part is 50, what is the percentage?

Back

(50 / 200) x 100 = 25%.

Front

What does 'percent' mean?

Back

Percent means 'per hundred' and is a way to express a number as a fraction of 100.

Front

If a student scored 18 out of 20 on a test, what is their score as a percentage?

Back

(18 / 20) x 100 = 90%.

Front

What is the difference between 'part' and 'whole' in percentage problems?

Back

The 'part' is the portion of the total 'whole'.