Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 827 · 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 41 × 90 =
2. 2.Digital root of 79 × 92 =
3. 3.Digital root of 31541 =
4. 4.Digital root of 85155 =
5. 5.Digital root of 18002 =
6. 6.Digital root of 82070 =
7. 7.Digital root of 56 × 65 =
8. 8.Digital root of 29480 =
9. 9.Digital root of 17 × 76 =
10. 10.Digital root of 70 × 70 =
11. 11.Digital root of 99 × 14 =
12. 12.Digital root of 20 × 69 =
13. 13.Digital root of 42430 =
14. 14.Digital root of 77476 =
15. 15.Digital root of 36 × 33 =
16. 16.Digital root of 75 × 79 =
17. 17.Digital root of 88284 =
18. 18.Digital root of 33 × 18 =
19. 19.Digital root of 62 × 49 =
20. 20.Digital root of 45391 =
21. 21.Digital root of 26910 =
22. 22.Digital root of 55071 =
23. 23.Digital root of 81 × 16 =
24. 24.Digital root of 49 × 91 =
25. 25.Digital root of 55746 =
26. 26.Digital root of 52393 =
27. 27.Digital root of 10255 =
28. 28.Digital root of 79755 =
29. 29.Digital root of 92 × 87 =
30. 30.Digital root of 43 × 77 =
31. 31.Digital root of 64497 =
32. 32.Digital root of 25915 =
33. 33.Digital root of 59 × 53 =
34. 34.Digital root of 51 × 47 =
35. 35.Digital root of 2962 =
36. 36.Digital root of 93 × 24 =
37. 37.Digital root of 16 × 78 =
38. 38.Digital root of 24130 =
39. 39.Digital root of 39534 =
40. 40.Digital root of 36 × 57 =

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