Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
723 + 39 =
3
2
4
762
|
2.
153 + 505 =
658
2
4
3
|
3.
488 – 103 =
4
385
3
2
|
4.
56 + 322 =
3
2
4
378
|
|
5.
429 – 322 =
4
2
107
3
|
6.
800 + 74 =
3
2
874
4
|
7.
187 – 54 =
4
3
133
2
|
8.
678 – 177 =
2
3
501
4
|
|
9.
618 – 130 =
4
2
3
488
|
10.
501 – 411 =
4
90
3
2
|
11.
407 + 235 =
642
4
2
3
|
12.
121 + 101 =
4
2
222
3
|
|
13.
492 – 67 =
2
4
3
425
|
14.
414 + 340 =
4
2
754
3
|
15.
878 + 40 =
4
918
3
2
|
16.
922 + 0 =
922
4
3
2
|
|
17.
268 + 536 =
804
4
2
3
|
18.
121 – 93 =
28
2
3
4
|
19.
454 – 2 =
4
452
2
3
|
20.
809 + 183 =
992
2
4
3
|