Mental arithmetic level 6_11 on Day:.........Month:..........Year:...........

Total Core =

1. 245 + 687 - 248 + 126
Answer

2. 874 - 288 + 278 - 496
Answer

3. 473 + 132 - 526 + 418
Answer

4. 3 / 7 + 1 / 8
Answer

5. 9 / 7 + 1 / 3
Answer

6. 5 / 4 + 6 / 5
Answer

7. 3 / 8 + 1 / 7
Answer

8. 24.11 - 13.29
Answer

9. 16.70 + 34.21
Answer

10. 25.64 + 66.19
Answer

11. 36.91 + 27.68
Answer

12. 79.56 - 14.24
Answer

13. 45 * 69
Answer

14. 37 * 82
Answer

15. 49 * 723
Answer

16. 367 * 94
Answer

17. 3776 / 8
Answer

18. 3436 / 4
Answer

19. 765 / 85
Answer

20. 512 / 64
Answer