Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
30 – 20 =
10
1
|
2.
928 – 619 =
309
2
|
3.
71 + 423 =
494
2
|
4.
306 + 127 =
2
433
|
|
5.
819 + 40 =
2
859
|
6.
926 + 58 =
984
2
|
7.
819 + 106 =
925
2
|
8.
476 + 486 =
962
2
|
|
9.
306 – 191 =
115
2
|
10.
591 + 231 =
822
2
|
11.
647 + 12 =
2
659
|
12.
159 – 48 =
2
111
|
|
13.
578 – 480 =
2
98
|
14.
118 + 469 =
2
587
|
15.
546 – 535 =
1
11
|
16.
496 + 58 =
554
2
|
|
17.
978 – 87 =
2
891
|
18.
29 – 12 =
2
17
|
19.
182 – 14 =
168
2
|
20.
383 – 298 =
2
85
|