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