Grade 8 Unit 4 Math Vocabulary

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Select the variable in the expression -2x+4+3x-8+4y

An individual part of an expression/equation that is added or subtracted is called a:

What is the coefficient in expression 2(3x+5)?

An equation has an equal sign.

What is the variable in expression 2(3x+5)?

A letter used to represent a quantity that can change.

In the expression 2x + 7, the number 2 is the variable. 

The first step for solving a 4-step equation is:

The second step for solving a 4-step equation is:

What is the first step in solving the equation 3(2x+5)=27

A value that does not change.

A mathematical statement that shows two or more expressions are equal.

7 is the coefficient of 7x

3, 0, -8 are all examples of a constant.

Inverse operations are operations that undo each other (multiplication & division, or addition & subtraction).

A mathematical phrase that contains operations, numbers, and/or variables.

x, y, z, a, b, c are all examples of a coefficient.

The fourth step for solving a 4-step equation is:

Terms that have the same variable and/or constants.

The third step for solving a 4-step equation is:

An expression has an equal sign.

To undo an operation in an equation, you must use inverse operations.

A variable is a number used to represent a quantity that can change.

The number that is multiplied by the variable in an expression.