Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 539 · 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 89 × 40 =
2. 2.Digital root of 12113 =
3. 3.Digital root of 78 × 70 =
4. 4.Digital root of 48105 =
5. 5.Digital root of 55289 =
6. 6.Digital root of 97542 =
7. 7.Digital root of 4071 =
8. 8.Digital root of 8757 =
9. 9.Digital root of 73354 =
10. 10.Digital root of 31432 =
11. 11.Digital root of 57577 =
12. 12.Digital root of 61713 =
13. 13.Digital root of 20 × 80 =
14. 14.Digital root of 7070 =
15. 15.Digital root of 76227 =
16. 16.Digital root of 71 × 66 =
17. 17.Digital root of 66554 =
18. 18.Digital root of 22 × 52 =
19. 19.Digital root of 90 × 76 =
20. 20.Digital root of 34 × 22 =
21. 21.Digital root of 88 × 57 =
22. 22.Digital root of 47483 =
23. 23.Digital root of 91 × 71 =
24. 24.Digital root of 76485 =
25. 25.Digital root of 22 × 27 =
26. 26.Digital root of 16412 =
27. 27.Digital root of 55 × 77 =
28. 28.Digital root of 89075 =
29. 29.Digital root of 90582 =
30. 30.Digital root of 99 × 68 =
31. 31.Digital root of 84473 =
32. 32.Digital root of 66 × 66 =
33. 33.Digital root of 39234 =
34. 34.Digital root of 67493 =
35. 35.Digital root of 16798 =
36. 36.Digital root of 17 × 19 =
37. 37.Digital root of 68 × 93 =
38. 38.Digital root of 60030 =
39. 39.Digital root of 39 × 19 =
40. 40.Digital root of 80402 =

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