Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 461 · 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 8324 =
2. 2.Digital root of 72335 =
3. 3.Digital root of 95641 =
4. 4.Digital root of 43 × 82 =
5. 5.Digital root of 12 × 17 =
6. 6.Digital root of 52842 =
7. 7.Digital root of 79038 =
8. 8.Digital root of 90 × 48 =
9. 9.Digital root of 10840 =
10. 10.Digital root of 29 × 52 =
11. 11.Digital root of 81 × 37 =
12. 12.Digital root of 36027 =
13. 13.Digital root of 53790 =
14. 14.Digital root of 80 × 22 =
15. 15.Digital root of 52 × 23 =
16. 16.Digital root of 12 × 40 =
17. 17.Digital root of 36 × 48 =
18. 18.Digital root of 74 × 89 =
19. 19.Digital root of 22329 =
20. 20.Digital root of 51 × 21 =
21. 21.Digital root of 57507 =
22. 22.Digital root of 8618 =
23. 23.Digital root of 93210 =
24. 24.Digital root of 91949 =
25. 25.Digital root of 71 × 17 =
26. 26.Digital root of 64468 =
27. 27.Digital root of 36 × 75 =
28. 28.Digital root of 57 × 26 =
29. 29.Digital root of 47 × 67 =
30. 30.Digital root of 36 × 22 =
31. 31.Digital root of 63 × 30 =
32. 32.Digital root of 32994 =
33. 33.Digital root of 66996 =
34. 34.Digital root of 50363 =
35. 35.Digital root of 18 × 82 =
36. 36.Digital root of 99 × 74 =
37. 37.Digital root of 13 × 21 =
38. 38.Digital root of 12 × 20 =
39. 39.Digital root of 91 × 93 =
40. 40.Digital root of 96 × 87 =

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