Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
144 + 170 =
2
314
|
2.
490 – 85 =
405
2
|
3.
484 + 300 =
784
2
|
4.
507 – 96 =
411
2
|
|
5.
254 – 225 =
2
29
|
6.
504 + 109 =
2
613
|
7.
43 + 9 =
52
2
|
8.
833 – 338 =
2
495
|
|
9.
93 – 52 =
41
2
|
10.
297 – 291 =
6
1
|
11.
645 – 639 =
6
1
|
12.
980 – 389 =
591
2
|
|
13.
18 + 566 =
584
2
|
14.
970 – 602 =
368
2
|
15.
521 + 101 =
2
622
|
16.
526 + 106 =
2
632
|
|
17.
654 – 547 =
2
107
|
18.
290 + 542 =
832
2
|
19.
378 + 601 =
979
2
|
20.
921 – 471 =
2
450
|