Name: 
 

Lesson 9.5: Solving Equations with Counter Models



 
Match the model with the equation.
a.

     grp001-1.jpg
c.

    grp001-3.jpg
b.

     grp001-2.jpg
d.

    grp001-4.jpg
 

 1. 

4 ma001-1.jpg 3x = 16
 

 2. 

3x + 4 = -5
 

 3. 

3(x + 5) = 12
 

 4. 

4(x ma004-1.jpg 3) = -20
 

 5. 

Use the model for the equation in question 1 to select the correct solution to the equation.
a.
-2
b.
-4
c.
2
d.
4
 

 6. 

Use the model for the equation in question 2 to select the correct solution to the equation.
a.
-3
b.
5
c.
-4
d.
3
 

 7. 

Use the model for the equation in question 3 to select the correct solution to the equation.
a.
4
b.
2
c.
-2
d.
-1
 

 8. 

Use the model for the equation in question 4 to select the correct solution to the equation.
a.
3
b.
-1
c.
-2
d.
4
 

 9. 

Select the correct equation to represent this sentence.
     Five less than three times a number is -29.
a.
5 mc009-1.jpg 3x = -29
b.
5x mc009-2.jpg 3 = -29
c.
3x mc009-3.jpg 5 = -29
d.
3(x mc009-4.jpg 5) = -29
 

 10. 

Select the correct solution to the equation for question 9.
a.
-5
b.
-8
c.
3
d.
-2
 



 
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