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