Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 950 · 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 419 =
2. 2.Digital root of 21747 =
3. 3.Digital root of 43204 =
4. 4.Digital root of 1409 =
5. 5.Digital root of 40 × 43 =
6. 6.Digital root of 84 × 64 =
7. 7.Digital root of 97 × 90 =
8. 8.Digital root of 30539 =
9. 9.Digital root of 73943 =
10. 10.Digital root of 28613 =
11. 11.Digital root of 5735 =
12. 12.Digital root of 84 × 13 =
13. 13.Digital root of 55 × 36 =
14. 14.Digital root of 97 × 81 =
15. 15.Digital root of 74 × 21 =
16. 16.Digital root of 8714 =
17. 17.Digital root of 57 × 51 =
18. 18.Digital root of 43115 =
19. 19.Digital root of 53111 =
20. 20.Digital root of 62479 =
21. 21.Digital root of 65019 =
22. 22.Digital root of 56054 =
23. 23.Digital root of 91950 =
24. 24.Digital root of 19765 =
25. 25.Digital root of 97194 =
26. 26.Digital root of 32158 =
27. 27.Digital root of 21642 =
28. 28.Digital root of 44811 =
29. 29.Digital root of 96 × 84 =
30. 30.Digital root of 11304 =
31. 31.Digital root of 69705 =
32. 32.Digital root of 67 × 74 =
33. 33.Digital root of 71405 =
34. 34.Digital root of 38 × 29 =
35. 35.Digital root of 60949 =
36. 36.Digital root of 76 × 37 =
37. 37.Digital root of 68 × 94 =
38. 38.Digital root of 64950 =
39. 39.Digital root of 20895 =
40. 40.Digital root of 92 × 43 =

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