Mental arithmetic level 6_68 on Day:.........Month:..........Year:...........

Total Core =

1. 788 - 448 + 205 + 397
Answer

2. 993 - 765 - 104 + 863
Answer

3. 499 - 479 + 187 + 760
Answer

4. 395 + 458 - 111 - 316
Answer

5. 127 + 778 - 597 + 596
Answer

6. 516.84 + 381.34
Answer

7. 804.84 - 132.90
Answer

8. 537.83 - 307.72
Answer

9. 990.15 - 816.11
Answer

10. 510.69 - 397.46
Answer

11. 42 * 66
Answer

12. 51 * 39
Answer

13. 63 * 15
Answer

14. 18 * 23
Answer

15. 41 * 97
Answer

16. 135 * 39
Answer

17. 587 * 27
Answer

18. 561 * 62
Answer

19. 640 * 48
Answer

20. 120 * 12
Answer