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