# Adding Two Single-Digit Numbers with Sums Less Than 10 (Worksheet 1)

Name: __________________________________________________                                  Score:__________

Worksheet 1
Adding two single-digit numbers with sums less than 10

1.   3+1= _____                                11.   2+3= _____

2.   1+5= _____                                12.   2+5= _____

3.   8+1= _____                                13.   4+2= _____

4.   1+6= _____                                14.   1+2= _____

5.   1+7= _____                                15.   0+2= _____

6.   4+1= _____                                16.   2+2= _____

7.   2+1= _____                                17.   2+6= _____

8.   1+2= _____                                18.   7+2= _____

9.   1+1= _____                                19.  2+5= _____

10. 0+1= _____                                20.  6+2= _____

Note: If your score is 16 and above, answer Worksheet 2 right away.

Name: _______________________________________                                   Score:__________

Worksheet 1.1
Adding two single-digit numbers with sums less than 10

1.   3+6= _____                                11.  5+4= _____

2.   3+5= _____                                12.  2+6= _____

3.   3+4= _____                                13.  6+3= _____

4.   4+5= _____                                14.  0+3= _____

5.  7+2= _____                                 15.  4+3= _____

6.  3+3= _____                                 16.  2+3= _____

7.  4+4= _____                                 17.  6+2= _____

8.   5+2= _____                                18.  8+1= _____

9.   4+3= _____                                19.  2+7= _____

10. 3+1= _____                                20.  2+5= _____

Note: If your score is 16 and above, answer Worksheet 2, right away.

Name: _____________________________________                                   Score:__________

Worksheet 1.2
Adding two single-digit numbers with sums less than 10

1.   4+3= _____                                11.  5+0= _____

2.   3+1= _____                                12.  1+6= _____

3.   2+4= _____                                13.  3+3= _____

4.   4+1= _____                                14.  1+3= _____

5.  6+2= _____                                 15.  4+4= _____

6.  3+6= _____                                 16.  2+7= _____

7.  4+2= _____                                 17.  2+2= _____

8.   5+3= _____                                18.  7+1= _____

9.   6+3= _____                                19.  2+0= _____

10. 8+1= _____                                20.  3+5= _____