Model and Solve Two-Step Equations Tape Diagrams

Which equation matches the tape diagram?

Find the value of x.

• 10

• 6

• 8

• 50

The diagram can be represented by the equation 25 = 2 + 6x . Where can you see the 6 in the diagram?

• There is no 6 in the diagram.

• 6 equal parts in the diagram.

• 6 equal parts labeled x

• 6 is divisible by 2

Shaun has four boxes. Each boxes has the same number of items. After removing 1 item from each box, he had 28 items left. Which equation best represents the story?

• x - 1 = 28

• 4(x - 1) = 28

• 4x - 1 = 28

• x - 4 = 28

Shaun has four boxes. Each boxes has the same number of items. After removing 1 item from each box, he had 28 items left. What part of the story does x represent?

• The total items

• The items Shaun removed

• The number of items in 1 box before anything is removed.

• The number of items in 1 box after something is removed.

Here is a tape diagram, what is the solution for x?

• 5

• 1.5

• 8

• 17

A school ordered 3 large boxes of board markers. After giving 15 markers to each of 3 teachers, there were 90 markers left. The diagram represents the situation. How many markers were originally in each box?

• 35

• 15

• 25

• 45

Here is a tape diagram, what is the equations for the diagram?

• 5(x + 17) = 23

• 23 = x + 17

• 5x + 85 = 23

• 23 = 4x + 17

What equation is represented in this tape diagram?

• x+3=9

• 9x=3

• 3x=9

• 9+3=x

What is the value of x in this tape diagram?

• 3x

• 9

• 3

• 1/3