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