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