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