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