Illustrative Math Equations and Expressions

Select all equations that match this balanced hanger.

Select all equations that match this tape diagram.

Select all equations that match this balanced hanger.

What is the coefficient in this expression? 3x=21

• 3

• x

• 21

What is the variable in this expression? 3x=21

• 3

• x

• 21

What is the value of x in this tape diagram?

• 3x

• 9

• 3

• 1/3

What is the value of x in this tape diagram?

• 7

• 5

• 35

• 5x

Which equation is represented in this tape diagram?

• x+5=35

• 35x=5

• 5x=35

• 35-x=x

Add these expressions
(3x+15) + (4x+13)

• 7x+ 28

• 35x

• x+2

What is the simplified form of this expression
3x+4+5x+3

• 15x

• 8x+7

• 7x+8