Adding Doubles Plus 1 (Worksheet 3)

Name: _______________________________                                   Score:________________
Worksheet 3
Adding doubles plus 1

Add doubles plus 1 to find each sum.
Example:
3+4=  3+3+1= 6+1=  7

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

2.  6+7= _____                               12.  2+3= _____

3.   8+9= _____                              13. 4+5= _____

4.   7+8= _____                              14.  8+9= _____

5.  1+2= _____                               15.  5+6= _____

6.  5+6= _____                               16.  7+8= _____

7.  2+3= _____                               17.  3+4= _____

8.   7+8= _____                              18.  2+3= _____

9.   8+9= _____                              19.  5+6= _____

10. 6+7= _____                               20. 8+9= _____
Note: If your score is 16 and above, answer Worksheet 4, right away.
If your score is 15 and below, answer Worksheet 3.1.

Name: ____________________________                                   Score:_________
Worksheet 3.1
Adding doubles plus 1

Add doubles plus 1 to find each sum.

1.  8+9= _____                               11.  1+2= _____

2.  2+3= _____                               12.  4+5= _____

3.   4+5= _____                              13. 7+8= _____

4.   8+9= _____                              14.  2+3= _____

5.  3+4= _____                               15.  7+8= _____

6.  6+7= _____                               16.  8+9= _____

7.  1+2= _____                               17.  4+5= _____

8.   5+6= _____                              18.  7+8= _____

9.   6+7= _____                              19.  3+4= _____

10. 8+9= _____                               20. 2+3= _____
Note: If your score is 16 and above, answer Worksheet 4, right away.
If your score is 15 and below, answer Worksheet 3.2.

Name: ____________________________                                   Score:________
Worksheet 3.2
Adding doubles plus 1

Add doubles plus 1 to find each sum.

1.  7+8= _____                               11.  8+9= _____

2.  8+9= _____                               12.  3+4= _____

3.   4+5= _____                              13. 7+8= _____

4.   2+3= _____                              14.  1+2= _____

5.  3+4= _____                               15.  6+7= _____

6.  6+7= _____                               16.  8+9= _____

7.  2+3= _____                               17.  4+5= _____

8.   5+6= _____                              18.  6+7= _____

9.   1+2= _____                              19.  4+5= _____

10. 4+5= _____                               20. 3+4= _____
You may now answer Worksheet 4, Adding doubles minus 1.

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