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