Mental arithmetic level 2_20 on Day:.........Month:..........Year:...........

Total Core =

1. 1 * 23
Answer

2. 3 * 56
Answer

3. 1 * 81
Answer

4. 3 * 21
Answer

5. 2 * 54
Answer

6. 3 * 87
Answer

7. 2 * 51
Answer

8. 3 * 41
Answer

9. 1 * 52
Answer

10. 3 * 46
Answer

11. 83 + 5 - 3 + 9
Answer

12. 5 + 10 + 9 - 1
Answer

13. 5 + 89 - 4 + 3
Answer

14. 5 + 10 + 9 - 4
Answer

15. 3 + 65 - 3 + 9
Answer

16. 6 - 1 + 9 + 20
Answer

17. 81 + 6 - 2 + 9
Answer

18. 6 - 1 + 19 - 3
Answer

19. 5 + 9 - 2 + 77
Answer

20. 1 + 6 - 2 + 79
Answer