Mental arithmetic level 4_19 on Day:.........Month:..........Year:...........

Total Core =

1. 415 + 429 - 525
Answer

2. 248 + 397 - 539
Answer

3. 607 - 146 + 489
Answer

4. 866 - 581 + 246
Answer

5. 388 + 553 - 383
Answer

6. 214 - 111 + 507
Answer

7. 853 + 124 - 299
Answer

8. 596 - 418 + 218
Answer

9. 115 + 818 - 618
Answer

10. 484 + 393 - 227
Answer

11. 415 + 429 - 525
Answer

12. 248 + 397 - 539
Answer

13. 607 - 146 + 489
Answer

14. 866 - 581 + 246
Answer

15. 388 + 553 - 383
Answer

16. 214 - 11 + 507
Answer

17. 853 + 124 - 299
Answer

18. 596 - 418 + 218
Answer

19. 115 + 818 - 618
Answer

20. 484 + 393 - 227
Answer