Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
645 + 140 =
3
2
4
785
|
2.
228 + 685 =
3
913
2
4
|
3.
638 – 113 =
3
525
4
2
|
4.
494 + 279 =
3
773
2
4
|
|
5.
918 – 456 =
4
3
462
2
|
6.
662 + 191 =
2
3
853
4
|
7.
511 + 451 =
2
962
4
3
|
8.
432 + 371 =
803
3
4
2
|
|
9.
249 + 728 =
2
3
4
977
|
10.
866 – 754 =
4
3
2
112
|
11.
297 + 98 =
3
395
4
2
|
12.
612 + 91 =
2
703
4
3
|
|
13.
477 – 469 =
8
1
3
2
|
14.
402 – 186 =
2
3
4
216
|
15.
462 – 190 =
3
2
272
4
|
16.
367 – 328 =
2
3
39
4
|
|
17.
313 + 300 =
2
613
4
3
|
18.
237 + 637 =
874
2
4
3
|
19.
845 + 32 =
877
2
4
3
|
20.
982 – 919 =
3
2
4
63
|