Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
577 – 408 =
2
169
|
2.
389 – 239 =
2
150
|
3.
283 + 289 =
572
2
|
4.
87 – 74 =
1
13
|
|
5.
377 + 511 =
2
888
|
6.
158 – 142 =
2
16
|
7.
68 – 14 =
2
54
|
8.
191 + 143 =
2
334
|
|
9.
59 – 9 =
50
2
|
10.
712 + 114 =
826
2
|
11.
318 – 103 =
2
215
|
12.
12 + 910 =
922
2
|
|
13.
248 + 489 =
2
737
|
14.
199 + 549 =
2
748
|
15.
36 + 484 =
520
2
|
16.
802 + 112 =
914
2
|
|
17.
575 + 28 =
603
2
|
18.
955 – 864 =
2
91
|
19.
723 – 677 =
46
2
|
20.
347 – 205 =
2
142
|