Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
779 – 539 =
2
240
|
2.
363 – 233 =
2
130
|
3.
638 – 145 =
493
2
|
4.
667 + 86 =
2
753
|
|
5.
572 + 358 =
2
930
|
6.
682 + 69 =
751
2
|
7.
795 + 49 =
2
844
|
8.
951 – 325 =
2
626
|
|
9.
726 + 244 =
970
2
|
10.
488 + 488 =
2
976
|
11.
115 + 203 =
2
318
|
12.
481 + 47 =
2
528
|
|
13.
987 + 6 =
993
2
|
14.
126 + 727 =
2
853
|
15.
240 + 451 =
691
2
|
16.
555 + 246 =
801
2
|
|
17.
390 – 361 =
29
2
|
18.
148 + 161 =
2
309
|
19.
478 + 499 =
977
2
|
20.
658 – 301 =
2
357
|