Doubles Facts
11+11
22
8+2
2+8
7+_=10
3
21+9=
30
10-2=
8
31+31
62
6+4
4+6
8+_=10
2
28+2=
30
14-9=
5
6+6
12
7+3
3+7
6+_=10
4
19+2=
21
18-7=
11
21+21
42
12+13
13+12
5+_=10
5
28+3=
31
21-9=
12
5+5
10
31+9
9+31
1+_=10
9
17+5=
22
50-25=
25