Mental arithmetic level 5_3 on Day:.........Month:..........Year:...........

Total Core =

1. 523 - 181 + 684 - 225
Answer

2. 285 + 425 + 644 - 638
Answer

3. 367 + 208 + 956 - 696
Answer

4. 660 + 649 + 535 + 814
Answer

5. 247 + 458 + 960 + 765
Answer

6. 235 + 964 - 827 - 124
Answer

7. 633 + 562 - 461 + 419
Answer

8. 207 + 700 + 652 - 602
Answer

9. 453 + 624 + 412 - 423
Answer

10. 201 - 146 + 597 + 384
Answer

11. 90 * 75
Answer

12. 31 * 60
Answer

13. 31 * 53
Answer

14. 67 * 47
Answer

15. 91 * 77
Answer

16. 77 * 77
Answer

17. 20 * 49
Answer

18. 23 * 34
Answer

19. 37 * 32
Answer

20. 97 * 36
Answer