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