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