Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 413 · 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 82 × 88 =
2. 2.Digital root of 91849 =
3. 3.Digital root of 93352 =
4. 4.Digital root of 49 × 91 =
5. 5.Digital root of 13 × 65 =
6. 6.Digital root of 82502 =
7. 7.Digital root of 17 × 54 =
8. 8.Digital root of 27 × 75 =
9. 9.Digital root of 86 × 42 =
10. 10.Digital root of 66888 =
11. 11.Digital root of 92037 =
12. 12.Digital root of 85 × 32 =
13. 13.Digital root of 45343 =
14. 14.Digital root of 58 × 43 =
15. 15.Digital root of 43 × 93 =
16. 16.Digital root of 83 × 47 =
17. 17.Digital root of 48 × 69 =
18. 18.Digital root of 83 × 81 =
19. 19.Digital root of 42153 =
20. 20.Digital root of 45047 =
21. 21.Digital root of 59 × 82 =
22. 22.Digital root of 42 × 33 =
23. 23.Digital root of 89417 =
24. 24.Digital root of 11744 =
25. 25.Digital root of 37 × 36 =
26. 26.Digital root of 78730 =
27. 27.Digital root of 66 × 23 =
28. 28.Digital root of 96916 =
29. 29.Digital root of 75960 =
30. 30.Digital root of 19288 =
31. 31.Digital root of 13221 =
32. 32.Digital root of 10981 =
33. 33.Digital root of 23 × 61 =
34. 34.Digital root of 85783 =
35. 35.Digital root of 90685 =
36. 36.Digital root of 20 × 75 =
37. 37.Digital root of 53 × 48 =
38. 38.Digital root of 79 × 29 =
39. 39.Digital root of 71 × 33 =
40. 40.Digital root of 24 × 14 =

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