Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
431 + 223 =
654
4
2
3
|
2.
400 – 309 =
91
2
3
4
|
3.
153 – 112 =
2
41
4
3
|
4.
313 + 385 =
4
3
2
698
|
|
5.
359 – 85 =
274
4
2
3
|
6.
631 – 457 =
3
4
2
174
|
7.
347 + 447 =
3
4
2
794
|
8.
762 – 583 =
2
179
4
3
|
|
9.
842 – 328 =
2
514
4
3
|
10.
906 – 825 =
2
4
81
3
|
11.
873 + 28 =
3
4
901
2
|
12.
817 + 89 =
2
906
4
3
|
|
13.
375 – 270 =
3
2
4
105
|
14.
826 – 346 =
2
480
4
3
|
15.
633 + 179 =
812
3
2
4
|
16.
693 + 72 =
2
3
765
4
|
|
17.
37 + 913 =
2
950
4
3
|
18.
437 + 468 =
905
3
2
4
|
19.
990 + 9 =
2
4
3
999
|
20.
133 + 197 =
330
3
2
4
|