Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 825 · 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 86888 =
2. 2.Digital root of 86 × 21 =
3. 3.Digital root of 14 × 81 =
4. 4.Digital root of 94775 =
5. 5.Digital root of 41 × 40 =
6. 6.Digital root of 69 × 39 =
7. 7.Digital root of 8586 =
8. 8.Digital root of 89415 =
9. 9.Digital root of 33 × 77 =
10. 10.Digital root of 50854 =
11. 11.Digital root of 66 × 58 =
12. 12.Digital root of 44 × 84 =
13. 13.Digital root of 11803 =
14. 14.Digital root of 85 × 47 =
15. 15.Digital root of 44850 =
16. 16.Digital root of 19182 =
17. 17.Digital root of 63 × 79 =
18. 18.Digital root of 57 × 64 =
19. 19.Digital root of 46388 =
20. 20.Digital root of 33579 =
21. 21.Digital root of 82540 =
22. 22.Digital root of 58 × 79 =
23. 23.Digital root of 49114 =
24. 24.Digital root of 96928 =
25. 25.Digital root of 29554 =
26. 26.Digital root of 18 × 38 =
27. 27.Digital root of 85 × 55 =
28. 28.Digital root of 53095 =
29. 29.Digital root of 83010 =
30. 30.Digital root of 27529 =
31. 31.Digital root of 8001 =
32. 32.Digital root of 43 × 49 =
33. 33.Digital root of 50570 =
34. 34.Digital root of 76 × 40 =
35. 35.Digital root of 42176 =
36. 36.Digital root of 5098 =
37. 37.Digital root of 95946 =
38. 38.Digital root of 79 × 25 =
39. 39.Digital root of 56 × 97 =
40. 40.Digital root of 84 × 40 =

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