Unit 2 - Lesson 7 Vocabulary

Front

factor

Back

a number, or expression with parentheses, that is multiplied.

Front

whole number

Back

the numbers 0, 1, 2, 3, 4, ... Whole numbers are nonnegative and have no fractional part.

Front

integers

Back

the set of whole numbers and their opposites.

Front

opposite numbers

Back

numbers that are the same distance from 0 on the number line but in opposite directions.

Front

zero pair

Back

two numbers whose sum is zero. Opposite numbers form a zero pair.

Front

Absolute value

Back

a number’s distance from 0 on the number line. Absolute value is never negative.

Front

sum

Back

the total result of adding numbers together

Front

Negative numbers

Back

numbers that are less than 0. They are located to the left of 0 on a horizontal number line and below 0 on a vertical number line.

Front

Difference

Back

The result of subtracting one number from another.

Front

Rational Numbers

Back

A rational number is a number that can be expressed as the fraction a/b where a and b are integers and b≠0. Rational numbers include integers, fractions, repeating decimals, and terminating decimals.