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