Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
500 – 327 =
2
173
|
2.
28 – 13 =
15
1
|
3.
519 + 13 =
2
532
|
4.
823 – 308 =
2
515
|
|
5.
142 + 443 =
585
2
|
6.
827 + 158 =
985
2
|
7.
277 + 53 =
330
2
|
8.
271 + 435 =
2
706
|
|
9.
4 + 5 =
9
1
|
10.
645 – 629 =
16
2
|
11.
935 + 65 =
2
1000
|
12.
214 + 290 =
2
504
|
|
13.
221 + 562 =
783
2
|
14.
346 + 547 =
893
2
|
15.
177 – 107 =
2
70
|
16.
287 + 190 =
2
477
|
|
17.
5 – 1 =
4
1
|
18.
312 + 528 =
840
2
|
19.
211 + 11 =
2
222
|
20.
385 – 53 =
2
332
|