Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
456 – 77 =
4
2
379
3
|
2.
334 – 176 =
2
158
4
3
|
3.
51 + 174 =
225
2
3
4
|
4.
646 + 243 =
3
4
889
2
|
|
5.
255 + 345 =
2
4
600
3
|
6.
64 + 619 =
2
3
4
683
|
7.
862 + 131 =
3
4
2
993
|
8.
661 – 191 =
4
3
2
470
|
|
9.
162 – 130 =
3
2
4
32
|
10.
821 – 66 =
3
755
2
4
|
11.
292 – 62 =
3
230
2
4
|
12.
254 – 81 =
2
3
4
173
|
|
13.
13 – 8 =
1
5
3
2
|
14.
881 + 95 =
976
3
4
2
|
15.
62 + 326 =
388
2
3
4
|
16.
76 + 375 =
4
3
2
451
|
|
17.
352 – 291 =
4
2
61
3
|
18.
671 + 234 =
2
905
4
3
|
19.
76 + 738 =
3
814
4
2
|
20.
6 + 402 =
3
408
2
4
|