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