7th Grade Module 2 Vocab

Front

Additive Inverse

Back

The addition of two numbers, one number and its opposite that add to zero. Example: x + (-x) = 0

Front

Expression

Back

Includes an operation and numbers but does NOT have the equal sign. Example: 2 + (-4)

Front

Number Sentence

Back

Includes an operation, numbers AND the equal sign. Example: 2 + (-4) = -2

Front

Absolute Value

Back

The distance from zero for any number. It always has a positive value.

Front

Opposites

Back

Two numbers that have the same distance from zero. One number is positive and the other is negative.

Front

Integers

Back

Positive or negative whole numbers.

Front

Rational Number

Back

Any number that can be written as a fraction. Includes decimals that repeat or terminate.