Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
180 + 558 =
738
2
|
2.
738 – 453 =
285
2
|
3.
842 – 449 =
2
393
|
4.
979 + 21 =
2
1000
|
|
5.
265 – 151 =
2
114
|
6.
999 + 1 =
1000
2
|
7.
177 + 150 =
2
327
|
8.
480 + 417 =
897
2
|
|
9.
749 – 352 =
397
2
|
10.
543 – 275 =
268
2
|
11.
457 + 51 =
2
508
|
12.
242 + 482 =
724
2
|
|
13.
300 + 295 =
595
2
|
14.
349 + 243 =
2
592
|
15.
554 – 554 =
0
2
|
16.
659 + 236 =
895
2
|
|
17.
258 – 153 =
105
2
|
18.
91 + 857 =
2
948
|
19.
263 + 220 =
483
2
|
20.
605 + 97 =
702
2
|