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. 10 B. –1
    C. 1 D. 11
    Hint

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

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

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



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