Algebraic Expressions: Identify Parts, Simplify, Evaluate

A variable is a ________ that represents an unknown value.

A  ________ is a number on its own, whose value does not change.

The coefficient is a______ sitting beside and multiplied by a variable.

The terms of an expression are the parts of the expression which are separated by ______or ____.

• operations & constants

• variables & coefficients

• addition & subtractions symbols

• multiplication & division symbols

Identify the coefficient of the algebraic expression: w – 5w + 12

• w

• 5

• 12

• 5w

Identify the constant  of the algebraic expression: 3x + 5

• 3

• x

• 3x

• 5

Identify the variable  of the algebraic expression: 3x + 5

• x

• 3

• 5

• +

Identify the terms of the algebraic expression: 16x + 21 - b³ + 3c

• 16, 21

• b³, 3c

• 16, 21, b³

• 16, 21, b³, 3c

Simplify the following expression: 2x + 3 + 2

• 2x + 1

• 2x - 5

• 2x + 5

• 2x

Simplify the following expression: x – 12 + x + 4x

• 6x + 16

• 6x + 8

• 6x - 8

• x + 16