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