Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 470 · 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 22411 =
2. 2.Digital root of 17 × 37 =
3. 3.Digital root of 98240 =
4. 4.Digital root of 84 × 33 =
5. 5.Digital root of 45 × 76 =
6. 6.Digital root of 33 × 86 =
7. 7.Digital root of 68 × 45 =
8. 8.Digital root of 50917 =
9. 9.Digital root of 86873 =
10. 10.Digital root of 94909 =
11. 11.Digital root of 75054 =
12. 12.Digital root of 37 × 17 =
13. 13.Digital root of 7223 =
14. 14.Digital root of 51 × 24 =
15. 15.Digital root of 81071 =
16. 16.Digital root of 54 × 88 =
17. 17.Digital root of 27214 =
18. 18.Digital root of 10549 =
19. 19.Digital root of 77100 =
20. 20.Digital root of 47 × 50 =
21. 21.Digital root of 21 × 51 =
22. 22.Digital root of 90759 =
23. 23.Digital root of 71942 =
24. 24.Digital root of 95955 =
25. 25.Digital root of 32 × 58 =
26. 26.Digital root of 86465 =
27. 27.Digital root of 77 × 72 =
28. 28.Digital root of 38 × 46 =
29. 29.Digital root of 28440 =
30. 30.Digital root of 39151 =
31. 31.Digital root of 3970 =
32. 32.Digital root of 50487 =
33. 33.Digital root of 47 × 75 =
34. 34.Digital root of 80 × 14 =
35. 35.Digital root of 98 × 30 =
36. 36.Digital root of 50174 =
37. 37.Digital root of 72014 =
38. 38.Digital root of 86635 =
39. 39.Digital root of 74 × 23 =
40. 40.Digital root of 78 × 43 =

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