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