Mental arithmetic level 4_37 on Day:.........Month:..........Year:...........

Total Core =

1. 953 - 640 + 184
Answer

2. 407 + 163 - 398
Answer

3. 800 - 530 + 671
Answer

4. 621 - 489 + 367
Answer

5. 831 - 170 + 247
Answer

6. 907 - 879 + 180
Answer

7. 496 - 339 + 499
Answer

8. 860 - 520 - 312
Answer

9. 450 + 539 - 385
Answer

10. 916 - 129 - 303
Answer

11. 56.51 + 3.54
Answer

12. 29.71 - 9.34
Answer

13. 53.98 - 1.13
Answer

14. 18.38 - 9.44
Answer

15. 20.87 - 6.71
Answer

16. 62.71 - 6.88
Answer

17. 24.67 - 9.23
Answer

18. 16.81 + 3.74
Answer

19. 36.93 + 9.02
Answer

20. 47.86 + 9.95
Answer