Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
789 – 621 =
168
2
4
3
|
2.
1000 + 0 =
4
2
1000
3
|
3.
397 – 207 =
190
2
3
4
|
4.
345 – 286 =
2
4
3
59
|
|
5.
406 + 592 =
2
3
4
998
|
6.
1000 – 414 =
2
586
4
3
|
7.
219 – 157 =
4
2
3
62
|
8.
513 + 188 =
3
4
2
701
|
|
9.
129 + 645 =
4
3
774
2
|
10.
192 + 795 =
4
3
987
2
|
11.
611 + 227 =
838
2
3
4
|
12.
236 – 199 =
37
3
4
2
|
|
13.
679 + 314 =
2
4
993
3
|
14.
55 + 643 =
4
2
3
698
|
15.
319 – 80 =
3
4
239
2
|
16.
329 – 3 =
2
326
3
4
|
|
17.
811 + 167 =
4
3
978
2
|
18.
879 – 632 =
247
3
2
4
|
19.
747 + 168 =
915
3
4
2
|
20.
443 – 307 =
3
4
136
2
|