Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
429 – 299 =
2
130
|
2.
17 + 369 =
2
386
|
3.
348 – 131 =
217
2
|
4.
477 – 150 =
2
327
|
|
5.
794 – 563 =
231
2
|
6.
115 + 844 =
2
959
|
7.
221 + 368 =
589
2
|
8.
884 + 35 =
919
2
|
|
9.
445 + 455 =
2
900
|
10.
329 + 74 =
403
2
|
11.
480 + 494 =
2
974
|
12.
651 + 13 =
2
664
|
|
13.
150 – 144 =
6
1
|
14.
38 + 489 =
2
527
|
15.
979 + 14 =
993
2
|
16.
473 – 370 =
103
2
|
|
17.
744 – 721 =
2
23
|
18.
901 – 427 =
474
2
|
19.
532 + 190 =
722
2
|
20.
562 + 201 =
2
763
|