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