Oefen grotere plussommen met honderdtallen en duizendtallen.
234 + 156 = ...
390
478 + 219 = ...
697
563 + 287 = ...
850
749 + 168 = ...
917
1250 + 375 = ...
1625
3400 + 2600 = ...
6000
4567 + 1234 = ...
5801
6789 + 1111 = ...
7900
999 + 1 = ...
1000
4999 + 1 = ...
5000
3450 + 2750 = ...
6200
12800 + 7200 = ...
20000
45000 + 17000 = ...
62000
125000 + 75000 = ...
200000
320000 + 180000 = ...
500000
99999 + 1 = ...
100000
234567 + 100000 = ...
334567
700500 + 99500 = ...
800000
45678 + 54322 = ...
650000 + 350000 = ...
1000000