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