1.   The equation x + 3 = 5 is modeled below. To solve this problem using the model, what should you do first?
   
    A. Add 5 negative counters to the left side of the mat.
    B. Remove 3 positive counters from each side of the mat.
    C. Add 3 positive counters to each side of the mat.
    D. Remove 5 positive counters from the right side of the mat.
    Hint

  2.   Solve w + 3 = 11.
    A. 7 B. 9
    C. 14 D. 8
    Hint

  3.   Solve x + 3.57 = 6.87.
    A. 10.44 B. 3.30
    C. 3.20 D. 2.43
    Hint

  4.   The sum of the measures of the angles of a triangle is 180. Find the missing measure.
   
    A. 90 B. 100
    C. 75 D. 80
    Hint

  5.   The temperature rose 34F from 7:00 A.M. to 5:00 P.M. The temperature was 88F at 5:00 P.M. Use the equation t + 34 = 88 to find the temperature at 7:00 A.M.
    A. 44°F B. 62°F
    C. 54F D. 52°F
    Hint



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