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