Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
371 + 279 =
3
4
2
650
|
2.
794 – 49 =
745
4
2
3
|
3.
122 + 765 =
4
887
2
3
|
4.
9 – 5 =
4
2
3
1
|
|
5.
941 + 40 =
2
3
981
4
|
6.
767 – 665 =
102
2
3
4
|
7.
497 – 373 =
2
4
3
124
|
8.
275 + 519 =
794
4
3
2
|
|
9.
892 + 40 =
2
3
932
4
|
10.
892 + 42 =
3
934
2
4
|
11.
858 + 20 =
2
878
4
3
|
12.
477 + 32 =
3
2
4
509
|
|
13.
228 + 462 =
3
2
690
4
|
14.
476 + 250 =
726
3
2
4
|
15.
476 – 295 =
4
3
2
181
|
16.
307 – 14 =
293
4
2
3
|
|
17.
4 + 320 =
3
4
2
324
|
18.
451 – 449 =
3
1
4
2
|
19.
511 + 321 =
3
4
2
832
|
20.
31 + 304 =
2
335
4
3
|