Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
495 + 9 =
3
504
2
4
|
2.
285 + 28 =
3
2
4
313
|
3.
865 – 214 =
2
3
4
651
|
4.
423 + 560 =
4
2
3
983
|
|
5.
497 + 115 =
612
3
4
2
|
6.
300 – 93 =
2
3
207
4
|
7.
519 – 43 =
2
476
3
4
|
8.
263 – 61 =
4
3
2
202
|
|
9.
275 + 396 =
671
3
4
2
|
10.
42 – 23 =
19
4
3
2
|
11.
539 + 277 =
3
4
816
2
|
12.
584 + 231 =
3
2
815
4
|
|
13.
7 + 567 =
4
574
2
3
|
14.
377 + 605 =
2
3
4
982
|
15.
272 + 0 =
4
3
272
2
|
16.
395 – 300 =
4
3
95
2
|
|
17.
203 – 199 =
4
3
2
1
|
18.
324 – 133 =
191
3
2
4
|
19.
614 – 97 =
3
517
4
2
|
20.
978 – 14 =
3
2
964
4
|