Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 678 · 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 85 × 77 =
2. 2.Digital root of 8287 =
3. 3.Digital root of 19284 =
4. 4.Digital root of 23 × 80 =
5. 5.Digital root of 67089 =
6. 6.Digital root of 54508 =
7. 7.Digital root of 27 × 81 =
8. 8.Digital root of 26 × 36 =
9. 9.Digital root of 90 × 44 =
10. 10.Digital root of 3685 =
11. 11.Digital root of 32 × 93 =
12. 12.Digital root of 89799 =
13. 13.Digital root of 20 × 77 =
14. 14.Digital root of 88 × 64 =
15. 15.Digital root of 8552 =
16. 16.Digital root of 43 × 88 =
17. 17.Digital root of 61991 =
18. 18.Digital root of 42 × 31 =
19. 19.Digital root of 37921 =
20. 20.Digital root of 75704 =
21. 21.Digital root of 81 × 28 =
22. 22.Digital root of 36 × 72 =
23. 23.Digital root of 97342 =
24. 24.Digital root of 83374 =
25. 25.Digital root of 4031 =
26. 26.Digital root of 44208 =
27. 27.Digital root of 43322 =
28. 28.Digital root of 23 × 56 =
29. 29.Digital root of 52 × 80 =
30. 30.Digital root of 49024 =
31. 31.Digital root of 28548 =
32. 32.Digital root of 37 × 23 =
33. 33.Digital root of 84750 =
34. 34.Digital root of 30 × 12 =
35. 35.Digital root of 39 × 87 =
36. 36.Digital root of 99 × 53 =
37. 37.Digital root of 17 × 42 =
38. 38.Digital root of 13 × 61 =
39. 39.Digital root of 89 × 99 =
40. 40.Digital root of 56554 =

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