Mental arithmetic level 6_29 on Day:.........Month:..........Year:...........

Total Core =

1. 21.74 + 878.34 - 453.91
Answer

2. 74 + 66 - 52 + 69 + 73
Answer

3. 29 + 42 - 34 + 58 + 57
Answer

4. 99 + 11 - 35 + 86 - 32
Answer

5. 39 + 18 + 39 + 76 + 99
Answer

6. 38 + 57 - 31 + 84 - 42
Answer

7. 638 + 158 - 297 + 111
Answer

8. 321 + 456 - 289 + 147
Answer

9. 375 + 159 - 458 + 786
Answer

10. 643 - 498 + 245 + 321
Answer

11. 427 + 133 - 171 + 156
Answer

12. 3 + 5 / 7 - 3 / 7
Answer

13. 4 + 3 / 7 - 5 / 7
Answer

14. 3 + 9 / 7 - 5 + 3 / 2
Answer

15. 4 / 6 - 5 + 4 / 6
Answer

16. 38.63 - 19.56
Answer

17. 42.45 + 16.62
Answer

18. 73.74 - 39.69
Answer

19. 89.12 - 14.66
Answer

20. 52.28 + 36.19
Answer