Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
461 + 348 =
809
2
|
2.
391 + 158 =
549
2
|
3.
307 + 525 =
2
832
|
4.
156 – 7 =
149
2
|
|
5.
39 + 248 =
287
2
|
6.
459 + 320 =
779
2
|
7.
638 – 480 =
2
158
|
8.
227 – 91 =
2
136
|
|
9.
295 – 228 =
2
67
|
10.
349 – 32 =
2
317
|
11.
357 – 9 =
348
2
|
12.
529 – 483 =
46
2
|
|
13.
162 + 193 =
355
2
|
14.
510 – 165 =
345
2
|
15.
936 – 523 =
413
2
|
16.
281 – 213 =
68
2
|
|
17.
766 + 10 =
2
776
|
18.
987 – 522 =
465
2
|
19.
512 – 45 =
467
2
|
20.
971 + 17 =
2
988
|