Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
538 – 389 =
149
2
|
2.
39 + 461 =
500
2
|
3.
666 – 338 =
2
328
|
4.
539 + 429 =
968
2
|
|
5.
665 – 499 =
2
166
|
6.
200 + 770 =
970
2
|
7.
561 + 49 =
610
2
|
8.
457 – 346 =
2
111
|
|
9.
915 + 17 =
2
932
|
10.
628 + 216 =
2
844
|
11.
718 + 145 =
863
2
|
12.
29 + 468 =
2
497
|
|
13.
787 + 110 =
897
2
|
14.
182 – 142 =
2
40
|
15.
162 + 444 =
606
2
|
16.
474 + 506 =
2
980
|
|
17.
389 + 53 =
442
2
|
18.
844 – 598 =
246
2
|
19.
960 – 247 =
713
2
|
20.
324 – 92 =
232
2
|