2. The model represents the equation x + 2 =6. What is the value of x? x + + = + + + + + +

3. The model represents the equation x + 4 =-3. What is the value of x? x + + = + + - - -

4. The model represents the equation 3x + 3 =9. What is the value of x? XXX + + + = + + + + + + + + +

5. The model represents the equation 2x -3 =-7. What is the value of x? xx -- =

6. The model represents the equation x  8  2. What is the value of x? F x  6 G x  4 H x  8 J x  10

7. The model below represents the equation 3x + 6  15. What is the first step in finding the value of x? A) Divide the beans equally among the 3 cups B) Add 15 beans to each side of the model C) Add 6 beans to each side of the model D) Subtract 6 beans from each side of the model

8. The model below represents the equation 3x = 9. xx x = What is the first step in finding the value of x? A) Subtract 9 stars from each side of the model. B) Add 9 stars to each side of the model C) Subtract 3 stars from each side of the model D) Divide the stars equally among the 3 boxes

9. The equation 3x + 3 = x + 9 is modeled below. A x = 3 B x = 6 C x = 12 D x = 4

10. The model represents the equation 2x + 4  4y + 4. What is the value of x? A x  2y B x  4y C x  2y + 4 D x  4y + 8

11. The model represents the equation 3x + 5 =6y+2. What is the value of x? xx x ++ ++ = yyy yyy + + +