1.   Count on to add. You can use the number line.

9 + 2 = ___

   
    A. 14 B. 13
    C. 12 D. 11
    Hint

  2.   Count on to add. You can use the number line.

___ = 2 + 5

   
    A. 10 B. 8
    C. 7 D. 9
    Hint

  3.   Count on to add. You can use the number line.

___ = 3 + 7

   
    A. 10 B. 11
    C. 8 D. 9
    Hint

  4.   Count on to add. You can use the number line.

___ = 11 + 1

   
    A. 9 B. 10
    C. 12 D. 13
    Hint

  5.   Count on to add. You can use the number line.

___ = 6 + 2

   
    A. 9 B. 11
    C. 10 D. 8
    Hint