Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
4 – 2 =
2
1
|
2.
90 + 12 =
2
102
|
3.
442 – 407 =
2
35
|
4.
210 – 100 =
2
110
|
|
5.
552 – 109 =
443
2
|
6.
346 + 654 =
2
1000
|
7.
563 – 560 =
3
1
|
8.
647 + 329 =
976
2
|
|
9.
600 – 433 =
167
2
|
10.
457 – 26 =
431
2
|
11.
620 + 245 =
2
865
|
12.
861 – 753 =
2
108
|
|
13.
781 + 2 =
2
783
|
14.
928 + 44 =
972
2
|
15.
64 – 63 =
2
1
|
16.
814 + 184 =
2
998
|
|
17.
214 + 196 =
2
410
|
18.
196 – 79 =
117
2
|
19.
757 – 147 =
610
2
|
20.
490 – 469 =
2
21
|