Mental arithmetic level 6_61 on Day:.........Month:..........Year:...........

Total Core =

1. 789 - 534 + 651 - 678
Answer

2. 535 + 378 - 868 + 605
Answer

3. 552 + 127 - 109 - 244
Answer

4. 429 - 170 + 610 - 828
Answer

5. 552.71 - 211.20
Answer

6. 629.22 - 359.13
Answer

7. 696.44 - 289.30
Answer

8. 747.72 - 365.51
Answer

9. 504.11 - 189.60
Answer

10. 86 * 81
Answer

11. 97 * 25
Answer

12. 44 * 40
Answer

13. 76 * 45
Answer

14. 19 * 35
Answer

15. 250 * 47
Answer

16. 333 * 84
Answer

17. 216 * 56
Answer

18. 339 * 39
Answer

19. 145 * 33
Answer

20. 43 / 4 - 15 / 6
Answer