Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
451 + 203 =
3
654
2
4
|
2.
473 – 449 =
2
3
24
4
|
3.
895 + 77 =
3
2
972
4
|
4.
848 + 145 =
3
4
993
2
|
|
5.
674 – 301 =
2
4
373
3
|
6.
197 – 50 =
3
147
4
2
|
7.
342 – 27 =
4
3
2
315
|
8.
973 – 778 =
3
4
195
2
|
|
9.
208 – 12 =
3
4
2
196
|
10.
240 – 223 =
3
17
2
4
|
11.
319 + 564 =
3
4
883
2
|
12.
190 – 134 =
3
2
56
4
|
|
13.
331 + 608 =
2
939
4
3
|
14.
635 + 104 =
739
4
2
3
|
15.
779 – 127 =
2
652
4
3
|
16.
890 + 40 =
4
930
3
2
|
|
17.
359 – 299 =
3
60
4
2
|
18.
243 – 108 =
135
4
3
2
|
19.
844 – 171 =
673
3
4
2
|
20.
916 – 485 =
431
3
4
2
|