Mental Arithmetic Level 3_17 on Day:.........Month:..........Year:...........

Total Core =

1. 29 + 6 + 17 + 97 - 21 + 63 - 17 - 36
Answer

2. 12 + 67 + 23 + 12 + 43 + 45 + 87 - 48
Answer

3. 24 + 78 + 46 + 36 - 46 + 2 + 89 - 58
Answer

4. 54 + 72 + 55 + 12 + 23 - 66 - 6 + 12
Answer

5. 26 + 57 - 6 - 33 + 19 + 59 + 83 + 73
Answer

6. 4 + 47 - 36 + 89 + 72 - 29 + 41 + 72
Answer

7. 23 + 76 + 48 - 39 + 46 + 76 + 34 + 67
Answer

8. 22 + 33 + 44 + 55 - 48 + 56 + 65 + 76
Answer

9. 815 - 627 + 385 - 251
Answer

10. 819 - 438 + 387 - 626
Answer

11. 972 - 362 - 390 + 140
Answer

12. 982 - 770 + 771 - 192
Answer

13. 872 - 293 - 406 + 142
Answer

14. 318 + 362 - 608 + 753
Answer

15. 530 + 395 - 683 + 463
Answer

16. 398 - 129 + 342 + 234
Answer

17. 647 - 229 + 342 + 239
Answer

18. 729 - 505 + 317 - 503 + 909
Answer

19. 414 + 256 - 616 + 315 + 342
Answer

20. 409 - 375 + 402 + 231 - 126
Answer