Math 6 Percent Test Review

Front

What is the definition of percent?

Back

A percent is a ratio expressed as a fraction of 100.

Front

How do you calculate the percent of a number?

Back

To calculate the percent of a number, multiply the number by the percent (as a decimal). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What does a 30% discount mean?

Back

A 30% discount means you pay 70% of the original price.

Front

If a jacket costs $150 and is on sale for 25% off, how do you find the sale price?

Back

Calculate 25% of $150, which is $37.50, then subtract that from the original price: $150 - $37.50 = $112.50.

Front

Convert 45% to a fraction.

Back

45% as a fraction is 9/20.

Front

What is 80% of 50?

Back

80% of 50 is 40.

Front

How do you express a percentage as a decimal?

Back

To express a percentage as a decimal, divide by 100. For example, 25% = 25/100 = 0.25.

Front

What is the formula to find the percentage of a total?

Back

The formula is: (Part/Total) * 100 = Percentage.

Front

If you have 60% of a class of 30 students, how many students is that?

Back

60% of 30 is 18 students.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.