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