Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
479 + 100 =
3
579
4
2
|
2.
306 – 198 =
3
2
4
108
|
3.
963 – 308 =
3
655
2
4
|
4.
85 + 48 =
2
4
133
3
|
|
5.
550 + 404 =
3
954
2
4
|
6.
271 – 113 =
3
2
4
158
|
7.
868 + 24 =
4
3
2
892
|
8.
949 – 460 =
3
2
489
4
|
|
9.
357 + 154 =
4
2
511
3
|
10.
769 + 64 =
4
833
2
3
|
11.
415 + 324 =
2
739
4
3
|
12.
922 + 62 =
984
3
2
4
|
|
13.
966 – 671 =
3
2
4
295
|
14.
520 – 9 =
2
511
3
4
|
15.
747 + 188 =
4
3
935
2
|
16.
56 + 334 =
390
4
2
3
|
|
17.
976 – 456 =
520
4
3
2
|
18.
117 + 82 =
4
199
2
3
|
19.
305 + 180 =
485
3
4
2
|
20.
28 + 205 =
3
233
2
4
|