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