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