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