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