Addition Worksheet 1: Doubles

 The doubles:
1+1=
2+2=
3+3=
4+4=
5+5=
6+6=
7+7=
8+8=
9+9=
10+10=



Double and 1 more

1+1=
1+2=

2+2=
2+3=

3+3=
3+4=

4+4=
4+5=

5+5=
5+6=

6+6=
6+7=

7+7=
7+8=

8+8=
8+9=


9+9=
9+10=


Double and one less:


1+1=
1+0=

2+2=
2+1=

3+3=
3+2=

4+4=
4+3=

5+5=
5+4=

6+6=
6+5=

7+7=
7+6=

8+8=
8+7=


9+9=
9+8=


10+10=
10+9=

These are the same! One less and one more

1+1=
0+2=


2+2=
1+3=


3+3=
2+4=


4+4=
3+5=


5+5=
4+6=


6+6=
5+7=


7+7=
6+8=


8+8=
7+9=


9+9=
8+10=


10+10=
9+11=

Plus 2
1+1=
2+2=

4+2=
3+3=

6+2=
4+4=

8+2=
5+5=

10+2=
6+6=

12+2=
7+7=

14+2=
8+8=

16+2=
9+9=

18+2=
10+10=