Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 207 · 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 84 × 20 =
2. 2.Digital root of 49 × 79 =
3. 3.Digital root of 18013 =
4. 4.Digital root of 86 × 90 =
5. 5.Digital root of 25 × 33 =
6. 6.Digital root of 2055 =
7. 7.Digital root of 72531 =
8. 8.Digital root of 62 × 68 =
9. 9.Digital root of 66977 =
10. 10.Digital root of 12 × 61 =
11. 11.Digital root of 71 × 88 =
12. 12.Digital root of 38379 =
13. 13.Digital root of 66 × 69 =
14. 14.Digital root of 30068 =
15. 15.Digital root of 68957 =
16. 16.Digital root of 99192 =
17. 17.Digital root of 51 × 90 =
18. 18.Digital root of 62179 =
19. 19.Digital root of 90 × 27 =
20. 20.Digital root of 23 × 43 =
21. 21.Digital root of 55 × 82 =
22. 22.Digital root of 87 × 40 =
23. 23.Digital root of 10298 =
24. 24.Digital root of 55705 =
25. 25.Digital root of 60 × 37 =
26. 26.Digital root of 94986 =
27. 27.Digital root of 27747 =
28. 28.Digital root of 8117 =
29. 29.Digital root of 70 × 23 =
30. 30.Digital root of 18 × 14 =
31. 31.Digital root of 36 × 21 =
32. 32.Digital root of 1910 =
33. 33.Digital root of 23 × 95 =
34. 34.Digital root of 43717 =
35. 35.Digital root of 97311 =
36. 36.Digital root of 12 × 22 =
37. 37.Digital root of 23 × 82 =
38. 38.Digital root of 84559 =
39. 39.Digital root of 11323 =
40. 40.Digital root of 8584 =

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