Reken de sommen tot 12 uit
Erbijsommen
|
1.
6 + 6 =
3
12
|
2.
8 + 1 =
10
9
|
3.
4 + 7 =
8
11
|
4.
5 + 0 =
5
4
|
|
5.
2 + 6 =
3
8
|
6.
9 + 0 =
5
9
|
7.
1 + 6 =
1
7
|
8.
8 + 2 =
8
10
|
|
9.
9 + 1 =
2
10
|
10.
7 + 1 =
8
9
|
11.
4 + 7 =
11
3
|
12.
2 + 4 =
6
3
|
|
13.
4 + 5 =
7
9
|
14.
8 + 0 =
6
8
|
15.
1 + 5 =
6
10
|
16.
11 + 1 =
12
3
|
|
17.
5 + 7 =
12
7
|
18.
6 + 6 =
12
8
|
19.
12 + 0 =
5
12
|
20.
10 + 2 =
12
13
|