Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 609 · 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 84 × 42 =
2. 2.Digital root of 73 × 45 =
3. 3.Digital root of 76302 =
4. 4.Digital root of 99 × 77 =
5. 5.Digital root of 32173 =
6. 6.Digital root of 31 × 30 =
7. 7.Digital root of 58089 =
8. 8.Digital root of 27272 =
9. 9.Digital root of 15253 =
10. 10.Digital root of 96183 =
11. 11.Digital root of 35 × 20 =
12. 12.Digital root of 78397 =
13. 13.Digital root of 55524 =
14. 14.Digital root of 98 × 70 =
15. 15.Digital root of 90 × 26 =
16. 16.Digital root of 53072 =
17. 17.Digital root of 90234 =
18. 18.Digital root of 57 × 99 =
19. 19.Digital root of 85 × 12 =
20. 20.Digital root of 776 =
21. 21.Digital root of 709 =
22. 22.Digital root of 32411 =
23. 23.Digital root of 522 =
24. 24.Digital root of 62508 =
25. 25.Digital root of 8724 =
26. 26.Digital root of 33839 =
27. 27.Digital root of 55116 =
28. 28.Digital root of 25 × 29 =
29. 29.Digital root of 26888 =
30. 30.Digital root of 15007 =
31. 31.Digital root of 74421 =
32. 32.Digital root of 25013 =
33. 33.Digital root of 73 × 94 =
34. 34.Digital root of 60745 =
35. 35.Digital root of 90 × 18 =
36. 36.Digital root of 43588 =
37. 37.Digital root of 47 × 71 =
38. 38.Digital root of 68404 =
39. 39.Digital root of 76 × 15 =
40. 40.Digital root of 2942 =

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