Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
828 – 820 =
1
8
|
2.
34 – 27 =
1
7
|
3.
225 + 542 =
767
2
|
4.
690 + 55 =
2
745
|
|
5.
727 – 245 =
2
482
|
6.
716 + 272 =
988
2
|
7.
280 – 129 =
2
151
|
8.
715 – 181 =
534
2
|
|
9.
353 + 272 =
625
2
|
10.
399 – 339 =
60
2
|
11.
787 – 298 =
2
489
|
12.
894 – 454 =
2
440
|
|
13.
266 + 676 =
942
2
|
14.
860 – 464 =
396
2
|
15.
777 + 119 =
896
2
|
16.
625 + 318 =
2
943
|
|
17.
374 + 0 =
374
2
|
18.
916 + 6 =
2
922
|
19.
506 + 437 =
2
943
|
20.
459 – 124 =
2
335
|