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