Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
423 + 371 =
3
4
2
794
|
2.
372 – 130 =
4
2
242
3
|
3.
100 – 44 =
56
3
2
4
|
4.
343 + 364 =
4
2
3
707
|
|
5.
476 – 312 =
164
3
2
4
|
6.
54 – 2 =
4
2
3
52
|
7.
214 + 726 =
3
940
4
2
|
8.
108 – 15 =
2
4
93
3
|
|
9.
550 + 402 =
4
2
3
952
|
10.
151 – 136 =
2
1
3
15
|
11.
506 – 498 =
8
2
1
3
|
12.
281 + 390 =
2
4
3
671
|
|
13.
684 – 165 =
3
4
519
2
|
14.
312 + 301 =
4
613
2
3
|
15.
16 + 166 =
3
2
182
4
|
16.
786 + 114 =
2
900
4
3
|
|
17.
20 – 18 =
1
3
2
4
|
18.
461 + 266 =
3
2
4
727
|
19.
727 + 144 =
3
2
4
871
|
20.
329 – 321 =
3
1
8
2
|