Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
251 + 474 =
3
2
4
725
|
2.
116 + 734 =
3
2
4
850
|
3.
507 – 364 =
143
2
4
3
|
4.
158 + 551 =
4
709
3
2
|
|
5.
942 + 30 =
2
972
3
4
|
6.
873 – 504 =
369
2
4
3
|
7.
575 – 505 =
3
4
2
70
|
8.
65 + 2 =
4
2
67
3
|
|
9.
471 + 424 =
3
2
4
895
|
10.
692 + 296 =
3
2
4
988
|
11.
109 + 30 =
3
2
139
4
|
12.
840 + 102 =
3
942
4
2
|
|
13.
160 + 135 =
4
3
295
2
|
14.
409 + 46 =
455
2
3
4
|
15.
577 + 95 =
2
3
672
4
|
16.
559 + 328 =
3
4
887
2
|
|
17.
538 + 243 =
3
4
781
2
|
18.
853 – 214 =
639
3
2
4
|
19.
517 – 325 =
192
3
4
2
|
20.
211 – 123 =
88
4
3
2
|