Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 104 · 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 81 × 50 =
2. 2.Digital root of 64178 =
3. 3.Digital root of 29 × 99 =
4. 4.Digital root of 20301 =
5. 5.Digital root of 34 × 66 =
6. 6.Digital root of 38 × 57 =
7. 7.Digital root of 80 × 18 =
8. 8.Digital root of 94870 =
9. 9.Digital root of 12 × 50 =
10. 10.Digital root of 24175 =
11. 11.Digital root of 68484 =
12. 12.Digital root of 59 × 65 =
13. 13.Digital root of 65587 =
14. 14.Digital root of 3963 =
15. 15.Digital root of 71702 =
16. 16.Digital root of 80 × 98 =
17. 17.Digital root of 22 × 27 =
18. 18.Digital root of 17 × 68 =
19. 19.Digital root of 41 × 15 =
20. 20.Digital root of 91 × 51 =
21. 21.Digital root of 20353 =
22. 22.Digital root of 95 × 40 =
23. 23.Digital root of 89526 =
24. 24.Digital root of 64624 =
25. 25.Digital root of 51 × 31 =
26. 26.Digital root of 85923 =
27. 27.Digital root of 88 × 42 =
28. 28.Digital root of 54971 =
29. 29.Digital root of 89 × 48 =
30. 30.Digital root of 41392 =
31. 31.Digital root of 82878 =
32. 32.Digital root of 93995 =
33. 33.Digital root of 72009 =
34. 34.Digital root of 60878 =
35. 35.Digital root of 99 × 22 =
36. 36.Digital root of 73075 =
37. 37.Digital root of 98295 =
38. 38.Digital root of 32 × 32 =
39. 39.Digital root of 38 × 94 =
40. 40.Digital root of 51565 =

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