Percentages Review Part 3

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100. It represents how much of something there is in relation to a whole.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 73% becomes 0.73.

Front

How do you convert a decimal to a percentage?

Back

To convert a decimal to a percentage, multiply the decimal by 100. For example, 0.34 becomes 34%.

Front

What is the formula to calculate a percentage of a number?

Back

The formula to calculate a percentage of a number is: (Percentage / 100) * Total Number.

Front

If Brissa spent 30% of her $80 on shoes, how much did she spend?

Back

Brissa spent $24 on shoes.

Tags

CCSS.6.RP.A.3C

Front

What is 20% of $100?

Back

20% of $100 is $20.

Tags

CCSS.6.RP.A.3C

Front

How do you find the total amount if you know a part and its percentage?

Back

To find the total amount, divide the part by the percentage (in decimal form). For example, if $20 is 20%, the total is $20 / 0.20 = $100.

Tags

CCSS.6.RP.A.3C

Front

What is the relationship between percentages, decimals, and fractions?

Back

Percentages, decimals, and fractions are different ways to represent the same value. For example, 50% = 0.5 = 1/2.

Front

How do you calculate the percentage increase or decrease?

Back

To calculate percentage increase: ((New Value - Old Value) / Old Value) * 100. For decrease, use the same formula but subtract the new value from the old value.

Tags

CCSS.6.RP.A.3C

Front

What is the percentage of a number that is equal to itself?

Back

100% of a number is equal to the number itself.