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