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