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