Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
490 + 488 =
2
978
|
2.
450 + 322 =
2
772
|
3.
257 + 296 =
553
2
|
4.
789 + 7 =
2
796
|
|
5.
412 – 53 =
2
359
|
6.
677 + 278 =
955
2
|
7.
631 – 303 =
2
328
|
8.
944 + 29 =
973
2
|
|
9.
432 – 403 =
29
2
|
10.
250 – 143 =
107
2
|
11.
53 + 839 =
2
892
|
12.
71 – 13 =
58
2
|
|
13.
630 + 65 =
695
2
|
14.
724 + 256 =
2
980
|
15.
699 + 10 =
2
709
|
16.
519 – 309 =
210
2
|
|
17.
809 + 155 =
964
2
|
18.
948 – 65 =
2
883
|
19.
3 – 1 =
2
1
|
20.
188 – 99 =
89
2
|