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