Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
30 – 20 =
10
1
|
2.
403 + 40 =
443
2
|
3.
368 – 229 =
139
2
|
4.
91 – 39 =
52
2
|
|
5.
418 – 397 =
21
2
|
6.
208 – 47 =
2
161
|
7.
565 + 178 =
2
743
|
8.
173 + 498 =
671
2
|
|
9.
626 – 116 =
2
510
|
10.
111 – 33 =
78
2
|
11.
686 – 655 =
31
2
|
12.
905 – 656 =
2
249
|
|
13.
241 + 40 =
281
2
|
14.
412 + 423 =
835
2
|
15.
727 + 169 =
2
896
|
16.
185 – 129 =
56
2
|
|
17.
212 + 153 =
2
365
|
18.
127 – 124 =
3
1
|
19.
467 + 403 =
870
2
|
20.
160 – 76 =
84
2
|