Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
156 + 353 =
509
2
|
2.
678 – 629 =
49
2
|
3.
509 – 492 =
2
17
|
4.
607 – 553 =
54
2
|
|
5.
370 – 111 =
2
259
|
6.
242 + 15 =
257
2
|
7.
928 – 60 =
868
2
|
8.
653 + 79 =
2
732
|
|
9.
824 + 121 =
945
2
|
10.
399 + 301 =
2
700
|
11.
156 + 234 =
2
390
|
12.
449 + 135 =
584
2
|
|
13.
330 + 71 =
2
401
|
14.
7 – 4 =
3
1
|
15.
293 – 55 =
238
2
|
16.
6 – 6 =
2
0
|
|
17.
828 + 74 =
2
902
|
18.
484 – 163 =
2
321
|
19.
939 + 60 =
999
2
|
20.
236 + 739 =
2
975
|