Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
137 + 225 =
362
2
|
2.
251 – 248 =
3
1
|
3.
159 + 99 =
2
258
|
4.
232 – 31 =
2
201
|
|
5.
809 + 81 =
2
890
|
6.
122 + 11 =
2
133
|
7.
541 – 9 =
532
2
|
8.
282 – 155 =
127
2
|
|
9.
197 + 677 =
2
874
|
10.
9 + 366 =
375
2
|
11.
344 – 162 =
2
182
|
12.
761 + 17 =
778
2
|
|
13.
16 – 9 =
1
7
|
14.
858 – 479 =
379
2
|
15.
407 + 400 =
2
807
|
16.
930 + 46 =
2
976
|
|
17.
193 – 166 =
27
2
|
18.
373 + 105 =
478
2
|
19.
361 + 598 =
959
2
|
20.
498 + 114 =
612
2
|