Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 56 · 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 63 × 25 =
2. 2.Digital root of 28 × 47 =
3. 3.Digital root of 90 × 19 =
4. 4.Digital root of 64 × 45 =
5. 5.Digital root of 86999 =
6. 6.Digital root of 53493 =
7. 7.Digital root of 71614 =
8. 8.Digital root of 20 × 57 =
9. 9.Digital root of 68108 =
10. 10.Digital root of 95041 =
11. 11.Digital root of 86490 =
12. 12.Digital root of 30715 =
13. 13.Digital root of 56500 =
14. 14.Digital root of 85864 =
15. 15.Digital root of 74110 =
16. 16.Digital root of 78 × 55 =
17. 17.Digital root of 32748 =
18. 18.Digital root of 38006 =
19. 19.Digital root of 58 × 96 =
20. 20.Digital root of 80 × 30 =
21. 21.Digital root of 77 × 92 =
22. 22.Digital root of 41 × 38 =
23. 23.Digital root of 31884 =
24. 24.Digital root of 77 × 87 =
25. 25.Digital root of 63 × 53 =
26. 26.Digital root of 94510 =
27. 27.Digital root of 65 × 82 =
28. 28.Digital root of 59396 =
29. 29.Digital root of 16 × 16 =
30. 30.Digital root of 24076 =
31. 31.Digital root of 13 × 55 =
32. 32.Digital root of 46989 =
33. 33.Digital root of 31 × 32 =
34. 34.Digital root of 55135 =
35. 35.Digital root of 93586 =
36. 36.Digital root of 18525 =
37. 37.Digital root of 12 × 32 =
38. 38.Digital root of 70021 =
39. 39.Digital root of 44 × 54 =
40. 40.Digital root of 78 × 43 =

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