Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 152 · 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 91680 =
2. 2.Digital root of 66674 =
3. 3.Digital root of 5314 =
4. 4.Digital root of 54 × 58 =
5. 5.Digital root of 87 × 34 =
6. 6.Digital root of 64889 =
7. 7.Digital root of 7799 =
8. 8.Digital root of 35 × 52 =
9. 9.Digital root of 18643 =
10. 10.Digital root of 30322 =
11. 11.Digital root of 42 × 98 =
12. 12.Digital root of 66 × 95 =
13. 13.Digital root of 63840 =
14. 14.Digital root of 61045 =
15. 15.Digital root of 35 × 45 =
16. 16.Digital root of 24972 =
17. 17.Digital root of 37296 =
18. 18.Digital root of 5779 =
19. 19.Digital root of 26213 =
20. 20.Digital root of 77 × 19 =
21. 21.Digital root of 9092 =
22. 22.Digital root of 10649 =
23. 23.Digital root of 24 × 60 =
24. 24.Digital root of 92942 =
25. 25.Digital root of 91169 =
26. 26.Digital root of 3033 =
27. 27.Digital root of 32 × 92 =
28. 28.Digital root of 82028 =
29. 29.Digital root of 74001 =
30. 30.Digital root of 31429 =
31. 31.Digital root of 68081 =
32. 32.Digital root of 77 × 48 =
33. 33.Digital root of 98873 =
34. 34.Digital root of 75 × 21 =
35. 35.Digital root of 99665 =
36. 36.Digital root of 82665 =
37. 37.Digital root of 63 × 28 =
38. 38.Digital root of 1411 =
39. 39.Digital root of 70 × 16 =
40. 40.Digital root of 21020 =

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