Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
830 – 130 =
2
700
|
2.
279 + 291 =
2
570
|
3.
589 + 90 =
679
2
|
4.
969 + 17 =
986
2
|
|
5.
988 + 9 =
997
2
|
6.
821 + 148 =
2
969
|
7.
28 + 612 =
2
640
|
8.
741 + 31 =
772
2
|
|
9.
79 + 577 =
2
656
|
10.
667 + 96 =
763
2
|
11.
764 + 214 =
978
2
|
12.
643 + 277 =
920
2
|
|
13.
822 + 157 =
2
979
|
14.
127 – 91 =
2
36
|
15.
936 + 55 =
2
991
|
16.
707 – 325 =
2
382
|
|
17.
542 – 229 =
313
2
|
18.
944 + 4 =
948
2
|
19.
984 – 969 =
1
15
|
20.
159 – 157 =
1
2
|