Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 412 · 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 71 × 23 =
2. 2.Digital root of 26427 =
3. 3.Digital root of 75707 =
4. 4.Digital root of 51 × 90 =
5. 5.Digital root of 1511 =
6. 6.Digital root of 26592 =
7. 7.Digital root of 95 × 82 =
8. 8.Digital root of 16407 =
9. 9.Digital root of 50022 =
10. 10.Digital root of 29337 =
11. 11.Digital root of 12 × 30 =
12. 12.Digital root of 45105 =
13. 13.Digital root of 67721 =
14. 14.Digital root of 20 × 29 =
15. 15.Digital root of 20172 =
16. 16.Digital root of 20 × 59 =
17. 17.Digital root of 51 × 65 =
18. 18.Digital root of 55528 =
19. 19.Digital root of 13 × 14 =
20. 20.Digital root of 20 × 26 =
21. 21.Digital root of 77 × 48 =
22. 22.Digital root of 65 × 78 =
23. 23.Digital root of 24825 =
24. 24.Digital root of 62414 =
25. 25.Digital root of 24074 =
26. 26.Digital root of 92 × 55 =
27. 27.Digital root of 28 × 72 =
28. 28.Digital root of 20335 =
29. 29.Digital root of 51955 =
30. 30.Digital root of 90 × 57 =
31. 31.Digital root of 98 × 64 =
32. 32.Digital root of 8235 =
33. 33.Digital root of 60421 =
34. 34.Digital root of 47 × 60 =
35. 35.Digital root of 50 × 95 =
36. 36.Digital root of 15 × 93 =
37. 37.Digital root of 25 × 99 =
38. 38.Digital root of 84012 =
39. 39.Digital root of 98 × 77 =
40. 40.Digital root of 17 × 55 =

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