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