Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 958 · 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 30428 =
2. 2.Digital root of 75 × 33 =
3. 3.Digital root of 91 × 84 =
4. 4.Digital root of 21 × 62 =
5. 5.Digital root of 22649 =
6. 6.Digital root of 9409 =
7. 7.Digital root of 57 × 32 =
8. 8.Digital root of 78051 =
9. 9.Digital root of 50 × 39 =
10. 10.Digital root of 52 × 20 =
11. 11.Digital root of 36 × 93 =
12. 12.Digital root of 97 × 20 =
13. 13.Digital root of 83683 =
14. 14.Digital root of 59 × 31 =
15. 15.Digital root of 10267 =
16. 16.Digital root of 83340 =
17. 17.Digital root of 22180 =
18. 18.Digital root of 86 × 53 =
19. 19.Digital root of 27010 =
20. 20.Digital root of 15 × 80 =
21. 21.Digital root of 68 × 43 =
22. 22.Digital root of 84238 =
23. 23.Digital root of 82 × 20 =
24. 24.Digital root of 46130 =
25. 25.Digital root of 83471 =
26. 26.Digital root of 45 × 29 =
27. 27.Digital root of 27728 =
28. 28.Digital root of 42 × 23 =
29. 29.Digital root of 8300 =
30. 30.Digital root of 96 × 45 =
31. 31.Digital root of 30 × 31 =
32. 32.Digital root of 10868 =
33. 33.Digital root of 79 × 48 =
34. 34.Digital root of 79 × 71 =
35. 35.Digital root of 79456 =
36. 36.Digital root of 47106 =
37. 37.Digital root of 96 × 67 =
38. 38.Digital root of 94245 =
39. 39.Digital root of 68 × 84 =
40. 40.Digital root of 51147 =

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