Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
67 – 49 =
2
3
4
18
|
2.
656 – 8 =
3
2
648
4
|
3.
496 – 458 =
38
3
2
4
|
4.
819 – 289 =
3
2
4
530
|
|
5.
24 + 60 =
84
4
2
3
|
6.
490 + 85 =
3
4
575
2
|
7.
578 + 281 =
4
859
2
3
|
8.
756 + 97 =
4
853
3
2
|
|
9.
47 + 754 =
3
4
801
2
|
10.
268 – 265 =
2
4
3
1
|
11.
83 + 270 =
3
2
353
4
|
12.
535 + 405 =
940
4
2
3
|
|
13.
119 + 215 =
334
3
4
2
|
14.
406 – 295 =
3
111
2
4
|
15.
247 – 242 =
1
2
5
3
|
16.
507 – 315 =
3
2
4
192
|
|
17.
266 – 7 =
2
4
3
259
|
18.
28 + 178 =
2
3
4
206
|
19.
216 – 24 =
4
2
3
192
|
20.
139 + 732 =
2
871
4
3
|