Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
434 + 355 =
3
4
789
2
|
2.
481 + 453 =
2
934
3
4
|
3.
551 + 371 =
922
3
4
2
|
4.
653 + 289 =
942
2
4
3
|
|
5.
637 – 57 =
4
3
2
580
|
6.
240 + 246 =
3
2
4
486
|
7.
80 + 320 =
2
400
3
4
|
8.
914 – 109 =
805
2
4
3
|
|
9.
171 – 146 =
25
4
2
3
|
10.
833 – 640 =
2
193
4
3
|
11.
302 – 302 =
3
0
4
2
|
12.
372 – 80 =
2
3
292
4
|
|
13.
953 – 176 =
2
3
4
777
|
14.
262 – 92 =
4
170
2
3
|
15.
564 – 405 =
159
2
3
4
|
16.
394 – 170 =
224
2
4
3
|
|
17.
645 – 550 =
3
95
4
2
|
18.
122 + 692 =
2
4
3
814
|
19.
420 + 499 =
4
919
2
3
|
20.
834 – 579 =
3
2
255
4
|