Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
879 + 47 =
926
2
|
2.
241 – 33 =
2
208
|
3.
94 – 91 =
1
3
|
4.
274 + 171 =
445
2
|
|
5.
337 + 257 =
594
2
|
6.
229 + 255 =
484
2
|
7.
759 – 255 =
504
2
|
8.
504 – 503 =
2
1
|
|
9.
711 – 245 =
466
2
|
10.
386 + 591 =
2
977
|
11.
462 – 438 =
24
2
|
12.
533 – 106 =
427
2
|
|
13.
414 + 526 =
2
940
|
14.
557 + 391 =
2
948
|
15.
427 + 222 =
649
2
|
16.
306 + 439 =
2
745
|
|
17.
129 – 76 =
53
2
|
18.
724 – 635 =
2
89
|
19.
823 – 117 =
2
706
|
20.
215 + 105 =
2
320
|