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