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