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