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