Oefenen met erbij en eraf tot 12
In de mix
|
1.
12 + 0 =
1
3
2
12
|
2.
2 + 10 =
3
12
2
1
|
3.
6 + 5 =
3
1
2
11
|
4.
11 + 1 =
12
1
3
2
|
|
5.
1 + 1 =
4
1
2
3
|
6.
4 + 0 =
2
3
4
1
|
7.
11 + 1 =
1
3
2
12
|
8.
1 – 0 =
1
2
3
4
|
|
9.
11 + 1 =
12
2
1
3
|
10.
4 – 3 =
4
3
1
2
|
11.
10 + 2 =
2
3
12
1
|
12.
1 – 0 =
1
3
4
2
|
|
13.
6 – 2 =
3
2
4
1
|
14.
6 + 1 =
7
3
2
1
|
15.
9 – 7 =
1
2
3
4
|
16.
10 + 1 =
11
2
3
1
|
|
17.
2 + 3 =
5
1
3
2
|
18.
8 – 4 =
4
3
2
1
|
19.
6 – 3 =
3
4
2
1
|
20.
11 – 8 =
1
4
2
3
|