Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
101 – 11 =
90
2
|
2.
65 – 60 =
5
1
|
3.
484 – 302 =
182
2
|
4.
103 – 61 =
2
42
|
|
5.
452 – 143 =
2
309
|
6.
404 + 182 =
586
2
|
7.
967 + 5 =
2
972
|
8.
225 – 15 =
2
210
|
|
9.
39 – 1 =
38
2
|
10.
301 + 66 =
367
2
|
11.
473 + 168 =
2
641
|
12.
786 + 30 =
816
2
|
|
13.
516 + 17 =
2
533
|
14.
358 + 630 =
988
2
|
15.
985 + 7 =
992
2
|
16.
508 + 395 =
903
2
|
|
17.
995 + 1 =
2
996
|
18.
889 – 609 =
280
2
|
19.
479 + 13 =
2
492
|
20.
267 – 142 =
125
2
|