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