Models to Solve 2-Step Equations

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.

Tags

CCSS.7.EE.B.4A

The model represents the equation 2x - 9 =5. What is the value of x?

• x = 14

• x = 7

• x = 4

• x = -4

Tags

CCSS.7.EE.B.4A

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

• x = 3

• x = 2

• x = 6

• x = 10

Tags

CCSS.7.EE.B.4A

The model represents the equation 2x + 5 = 13. What is the first step in finding the value of x?

• Subtract 5 rectangles from each side of the equation.

• Add 13 rectangles to each side of the model.

• Add 5 rectangles to each side of the model.

• Subtract 13 rectangles from each side of the equation.

Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A

Which of the following models shows 3m + 2 = 14?

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Tags

CCSS.7.EE.B.4A

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.

Tags

CCSS.7.EE.B.4A

Which model represents the equation 3x + 4 = 5?

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• 
• 

Tags

CCSS.7.EE.B.4A

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

• x = 2

• x = 2.5

• x = 3

• x = 10

Tags

CCSS.7.EE.B.4A

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

• x = 1

• x = 1.5

• x = 2

• x = 2.5

Tags

CCSS.7.EE.B.4A