Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 121 · 40 sums

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

1. 1.Digital root of 32 × 59 =
2. 2.Digital root of 71 × 13 =
3. 3.Digital root of 71 × 22 =
4. 4.Digital root of 8509 =
5. 5.Digital root of 97726 =
6. 6.Digital root of 59794 =
7. 7.Digital root of 80842 =
8. 8.Digital root of 13969 =
9. 9.Digital root of 21704 =
10. 10.Digital root of 30 × 57 =
11. 11.Digital root of 74985 =
12. 12.Digital root of 48 × 90 =
13. 13.Digital root of 62 × 26 =
14. 14.Digital root of 51 × 45 =
15. 15.Digital root of 18671 =
16. 16.Digital root of 88946 =
17. 17.Digital root of 93 × 38 =
18. 18.Digital root of 47 × 86 =
19. 19.Digital root of 2428 =
20. 20.Digital root of 85700 =
21. 21.Digital root of 4238 =
22. 22.Digital root of 51605 =
23. 23.Digital root of 23847 =
24. 24.Digital root of 2724 =
25. 25.Digital root of 95 × 95 =
26. 26.Digital root of 90 × 13 =
27. 27.Digital root of 66 × 99 =
28. 28.Digital root of 28 × 94 =
29. 29.Digital root of 31 × 41 =
30. 30.Digital root of 45 × 56 =
31. 31.Digital root of 23504 =
32. 32.Digital root of 94653 =
33. 33.Digital root of 28988 =
34. 34.Digital root of 71 × 90 =
35. 35.Digital root of 39269 =
36. 36.Digital root of 16425 =
37. 37.Digital root of 91848 =
38. 38.Digital root of 36 × 72 =
39. 39.Digital root of 3443 =
40. 40.Digital root of 67950 =

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