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

  2.   Solve 5 = t 6.
    A. 1 B. 11
    C. 1 D. 10
    Hint

  3.   If you decrease a number by 4 the result is 3. Solve n 4 = 3 to find the number?
    A. 1 B. 1
    C. 6 D. 7
    Hint

  4.   Solve 1 = p 16.
    A. 17 B. 16
    C. 1 D. -15
    Hint

  5.   Solve 3.2 + y = 8.7.
    A. 8.7 B. -3.2
    C. 5.5 D. 11.9
    Hint



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