Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 388 · 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 7752 =
2. 2.Digital root of 99 × 43 =
3. 3.Digital root of 76 × 13 =
4. 4.Digital root of 65 × 65 =
5. 5.Digital root of 71 × 19 =
6. 6.Digital root of 13 × 35 =
7. 7.Digital root of 28 × 29 =
8. 8.Digital root of 57 × 54 =
9. 9.Digital root of 81687 =
10. 10.Digital root of 98285 =
11. 11.Digital root of 43 × 40 =
12. 12.Digital root of 43 × 83 =
13. 13.Digital root of 73 × 14 =
14. 14.Digital root of 12501 =
15. 15.Digital root of 21486 =
16. 16.Digital root of 85 × 20 =
17. 17.Digital root of 18 × 38 =
18. 18.Digital root of 81276 =
19. 19.Digital root of 86 × 26 =
20. 20.Digital root of 7070 =
21. 21.Digital root of 57899 =
22. 22.Digital root of 85518 =
23. 23.Digital root of 25584 =
24. 24.Digital root of 87835 =
25. 25.Digital root of 91 × 74 =
26. 26.Digital root of 49233 =
27. 27.Digital root of 17313 =
28. 28.Digital root of 12 × 58 =
29. 29.Digital root of 37 × 86 =
30. 30.Digital root of 63730 =
31. 31.Digital root of 99 × 25 =
32. 32.Digital root of 72 × 28 =
33. 33.Digital root of 32 × 36 =
34. 34.Digital root of 89724 =
35. 35.Digital root of 26118 =
36. 36.Digital root of 45 × 81 =
37. 37.Digital root of 50258 =
38. 38.Digital root of 88150 =
39. 39.Digital root of 78050 =
40. 40.Digital root of 52670 =

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