Rekensommen met erbij en eraf tot 50
In de mix
|
1.
12 – 0 =
1
12
|
2.
15 – 12 =
3
1
|
3.
45 + 5 =
50
2
|
4.
24 – 11 =
1
13
|
|
5.
14 – 11 =
3
1
|
6.
43 – 18 =
2
25
|
7.
15 – 5 =
10
1
|
8.
37 – 31 =
1
6
|
|
9.
20 – 12 =
8
1
|
10.
23 – 3 =
2
20
|
11.
38 – 21 =
17
2
|
12.
11 + 13 =
2
24
|
|
13.
32 + 7 =
2
39
|
14.
27 + 8 =
2
35
|
15.
35 + 9 =
44
2
|
16.
30 + 11 =
2
41
|
|
17.
19 + 4 =
2
23
|
18.
34 + 3 =
37
2
|
19.
17 – 8 =
1
9
|
20.
22 + 9 =
31
2
|