Algebraic Expressions with Models

Simplify.

• 5 + 3x

• 8x

• 8

• 3x + 5x

Simplify.

• 5x + 6

• 11x

• 11

• 6 - 5x

Which expression is shown here?

• 3x + 2 + 2x + 6

• 3x + 2x + 2x + 6x

• 3 + 2 + 2 + 3

Write the phrase as a numerical or algebraic expression
189 subtracted from t 

• 189-t

• t + 189

• t- 189

• 189t

Write the phrase as a numerical or algebraic expression
3 added to n 

• 3 + n 

• 3n

• n/3

Which expression has a variable?

• 25/5

• 2+3x5

• 6n-2

• 4*8/2

Name the variable in the following number sentence:
2x -7 = 9

• x

• 2

• 7

• 2x-7

What term is represented by the algebra tiles?

• 6

• -6

• 6x

• -6x²

_{^{Which expression models this diagram?}}

• 3 + -4

• -4 + 3

• 7 + -4

• -4 + 7

Write the expression.
Three times as many drinks on the tray.

• d + 3

• d - 3

• 3d

• 3 ÷ d