Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 540 · 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 78499 =
2. 2.Digital root of 12 × 18 =
3. 3.Digital root of 15810 =
4. 4.Digital root of 57 × 31 =
5. 5.Digital root of 45 × 98 =
6. 6.Digital root of 30 × 59 =
7. 7.Digital root of 7072 =
8. 8.Digital root of 15504 =
9. 9.Digital root of 44459 =
10. 10.Digital root of 81 × 51 =
11. 11.Digital root of 92 × 33 =
12. 12.Digital root of 51542 =
13. 13.Digital root of 3943 =
14. 14.Digital root of 19262 =
15. 15.Digital root of 20484 =
16. 16.Digital root of 70425 =
17. 17.Digital root of 68194 =
18. 18.Digital root of 63 × 12 =
19. 19.Digital root of 241 =
20. 20.Digital root of 96 × 68 =
21. 21.Digital root of 7497 =
22. 22.Digital root of 33 × 75 =
23. 23.Digital root of 71 × 99 =
24. 24.Digital root of 84733 =
25. 25.Digital root of 33950 =
26. 26.Digital root of 26885 =
27. 27.Digital root of 2965 =
28. 28.Digital root of 90 × 35 =
29. 29.Digital root of 47 × 49 =
30. 30.Digital root of 15 × 79 =
31. 31.Digital root of 16 × 51 =
32. 32.Digital root of 84 × 45 =
33. 33.Digital root of 24 × 42 =
34. 34.Digital root of 75666 =
35. 35.Digital root of 43936 =
36. 36.Digital root of 14 × 34 =
37. 37.Digital root of 79 × 20 =
38. 38.Digital root of 38700 =
39. 39.Digital root of 6758 =
40. 40.Digital root of 20 × 67 =

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