Grade 7 IM Unit 4 Vocabulary

Front

What is a percentage?

Back

A percentage is a rate per 100, used to express how much of a quantity is represented in relation to 100.

Front

What is long division?

Back

Long division is a method for dividing numbers in decimal form, finding the quotient one digit at a time, from left to right.

Front

What does a percentage decrease tell us?

Back

A percentage decrease tells how much a quantity went down, expressed as a percentage of the starting amount.

Front

What is a repeating decimal?

Back

A repeating decimal is a decimal that has digits that keep going in the same pattern over and over.

Front

What is commission in sales?

Back

Commission is the money a salesperson earns when they sell an item.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit.

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

What is a terminating decimal?

Back

A terminating decimal is a decimal that has a finite number of digits after the decimal point.

Front

How do you calculate a percentage increase?

Back

To calculate a percentage increase, subtract the original amount from the new amount, divide by the original amount, and multiply by 100.

Front

What is the formula for finding a percentage?

Back

The formula for finding a percentage is (part/whole) x 100.