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