Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
21 – 12 =
9
1
|
2.
664 + 164 =
828
2
|
3.
882 + 52 =
2
934
|
4.
764 + 55 =
2
819
|
|
5.
955 – 276 =
679
2
|
6.
368 + 298 =
2
666
|
7.
792 – 229 =
2
563
|
8.
540 + 430 =
2
970
|
|
9.
651 + 264 =
2
915
|
10.
227 + 639 =
866
2
|
11.
10 – 9 =
1
2
|
12.
264 – 240 =
24
2
|
|
13.
133 + 28 =
2
161
|
14.
868 + 10 =
878
2
|
15.
801 + 51 =
2
852
|
16.
174 + 770 =
944
2
|
|
17.
15 + 299 =
2
314
|
18.
774 – 28 =
746
2
|
19.
188 + 130 =
2
318
|
20.
951 + 16 =
2
967
|