Solve Equations Two Step

The model represents the equation 2w + 5 = 9. What is the last step in finding the value of w?

• Subtract 9 counters from each side.

• Divide 5 counters into 2 equal groups.

• Divide 4 counters into 2 equal groups.

• Divide 4 counters into 4 equal groups.

The model represents the equation 4x + 2 = 10. What is the value of x?

• x = 2

• x = 2.5

• x = 3

• x = 10

The model represents the equation 2x + 4 = 6. What is the first step in finding the value of x?

• add 6 candies to each side of the model

• add 4 candies to each side of the model

• subtract 4 candies from each side of the model

• divide the candies equally among the 2 cans

The model represents the equation 2x + 1 = 7. What is the first step in solving this equation?

• Divide by 2.

• Add 1 positive to each side.

• Multiply by 2.

• Add 1 negative to each side.

The model represents the equation 4x + 1 = 9. What is the first step in finding the value of x?

• Add 1 candy to each side of the model.

• Subtract 1 candy from each side of the model.

• Add 9 candies to each side of the model.

• Divide the 9 candies equally among the 4 bags.

The model represents the equation 2x + 1 = 4. What is the value of x?

• x = 1

• x = 1.5

• x = 2

• x = 2.5

Examine the model. What is the value of x in the equation this model represents?

• 4

• 6

• 8

• 10

The model represents the equation 3z - 6 = -9. What is the value of z?

• z = -5

• z = 1

• z = 3

• z = -1

The model represents the equation 2c + 1 = 11. What is the first step in finding c?

• subtract 1 counter from each side

• add 1 counter to each side

• subtract 2 counters from each side

• add 2 counters to each side

11b+7=40

• 2

• 1

• 4

• 3