Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
651 – 533 =
2
118
|
2.
21 – 12 =
1
9
|
3.
153 – 51 =
2
102
|
4.
464 – 451 =
1
13
|
|
5.
989 + 7 =
996
2
|
6.
653 – 304 =
349
2
|
7.
676 + 30 =
706
2
|
8.
949 + 29 =
2
978
|
|
9.
303 – 74 =
2
229
|
10.
478 – 393 =
2
85
|
11.
894 – 149 =
2
745
|
12.
728 – 646 =
82
2
|
|
13.
954 + 30 =
2
984
|
14.
81 + 82 =
2
163
|
15.
10 + 175 =
2
185
|
16.
189 + 87 =
276
2
|
|
17.
863 + 27 =
890
2
|
18.
121 + 136 =
257
2
|
19.
185 + 127 =
312
2
|
20.
301 – 170 =
2
131
|