Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 238 · 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 41 × 34 =
2. 2.Digital root of 98 × 33 =
3. 3.Digital root of 72 × 18 =
4. 4.Digital root of 68331 =
5. 5.Digital root of 33720 =
6. 6.Digital root of 52 × 77 =
7. 7.Digital root of 49 × 97 =
8. 8.Digital root of 16 × 43 =
9. 9.Digital root of 86084 =
10. 10.Digital root of 71 × 92 =
11. 11.Digital root of 43 × 99 =
12. 12.Digital root of 65 × 25 =
13. 13.Digital root of 79 × 28 =
14. 14.Digital root of 60862 =
15. 15.Digital root of 4212 =
16. 16.Digital root of 28813 =
17. 17.Digital root of 73778 =
18. 18.Digital root of 31020 =
19. 19.Digital root of 70 × 87 =
20. 20.Digital root of 60 × 45 =
21. 21.Digital root of 34251 =
22. 22.Digital root of 20 × 39 =
23. 23.Digital root of 19 × 51 =
24. 24.Digital root of 88058 =
25. 25.Digital root of 30621 =
26. 26.Digital root of 18 × 96 =
27. 27.Digital root of 3283 =
28. 28.Digital root of 75686 =
29. 29.Digital root of 44896 =
30. 30.Digital root of 37 × 67 =
31. 31.Digital root of 64542 =
32. 32.Digital root of 13 × 45 =
33. 33.Digital root of 62134 =
34. 34.Digital root of 21 × 61 =
35. 35.Digital root of 54 × 24 =
36. 36.Digital root of 81421 =
37. 37.Digital root of 29331 =
38. 38.Digital root of 46 × 63 =
39. 39.Digital root of 72937 =
40. 40.Digital root of 20 × 87 =

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