Adding Doubles (Worksheet 2)

Name: ___________________________                                   Score:_____________
Worksheet 2
Adding Doubles

Add.

1.   2+2= _____                                  11.  6+6= _____

2.  1+1= _____                                   12.  9+9= _____

3.   3+3= _____                                  13. 7+7= _____

4.   4+4= _____                                  14.  4+4= _____

5.  7+7= _____                                   15.  5+5= _____

6.  6+6= _____                                   16.  8+8= _____

7.  5+5= _____                                   17.  3+3= _____

8.   8+8= _____                                  18.  2+2= _____

9.   9+9= _____                                  19.  6+6= _____

10. 7+7= _____                                  20.  9+9= _____
Note: If your score is 16 and above, answer Worksheet 3, right away.
If your score is 15 and below, answer Worksheet 2.1.

Name: _____________________________                                   Score:______________
Worksheet 2.1
Adding Doubles

Add.

1.   8+8= _____                                  11.  5+5= _____

2.  7+7= _____                                   12.  2+2= _____

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

4.   6+6= _____                                  14.  9+9= _____

5.  1+1= _____                                   15.  8+8= _____

6.  9+9= _____                                   16.  5+5= _____

7.  7+7= _____                                   17.  6+6= _____

8.   4+4= _____                                  18.  9+9= _____

9.   7+7= _____                                  19.  6+6= _____

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

Note: If your score is 16 and above, answer Worksheet 3, right away.
If your score is 15 and below, answer Worksheet 2.2.

Name: ______________________________                                   Score:__________
Worksheet 2.2
Adding doubles

Add.

1.   6+6= _____                                  11.  7+7= _____

2.  2+2= _____                                   12.  8+8= _____

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

4.   8+8= _____                                  14.  9+9= _____

5.  9+9= _____                                   15.  2+2= _____

6.  2+2= _____                                   16.  5+5= _____

7.  7+7= _____                                   17.  7+7= _____

8.   3+3= _____                                  18.  3+3= _____

9.   4+4= _____                                  19.  6+6= _____

10. 8+8= _____                                  20.  9+9= _____
You may now answer Worksheet 3, Adding doubles plus 1.