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

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

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

  4.   Solve x + 9 = 11.
    A. 11 B. -2
    C. 2 D. 9
    Hint

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