Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 488 · 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 × 89 =
2. 2.Digital root of 16911 =
3. 3.Digital root of 96412 =
4. 4.Digital root of 49 × 37 =
5. 5.Digital root of 46130 =
6. 6.Digital root of 22 × 72 =
7. 7.Digital root of 52382 =
8. 8.Digital root of 77079 =
9. 9.Digital root of 36421 =
10. 10.Digital root of 38017 =
11. 11.Digital root of 70 × 99 =
12. 12.Digital root of 27 × 77 =
13. 13.Digital root of 39 × 33 =
14. 14.Digital root of 16 × 85 =
15. 15.Digital root of 79 × 87 =
16. 16.Digital root of 16238 =
17. 17.Digital root of 6081 =
18. 18.Digital root of 49300 =
19. 19.Digital root of 52 × 86 =
20. 20.Digital root of 55 × 17 =
21. 21.Digital root of 23015 =
22. 22.Digital root of 96 × 25 =
23. 23.Digital root of 91302 =
24. 24.Digital root of 79372 =
25. 25.Digital root of 22 × 82 =
26. 26.Digital root of 22 × 42 =
27. 27.Digital root of 63 × 24 =
28. 28.Digital root of 94273 =
29. 29.Digital root of 18615 =
30. 30.Digital root of 73533 =
31. 31.Digital root of 46 × 47 =
32. 32.Digital root of 85396 =
33. 33.Digital root of 77 × 19 =
34. 34.Digital root of 28 × 58 =
35. 35.Digital root of 75515 =
36. 36.Digital root of 69 × 27 =
37. 37.Digital root of 22553 =
38. 38.Digital root of 9954 =
39. 39.Digital root of 31791 =
40. 40.Digital root of 14838 =

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