Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 949 · 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 647 =
2. 2.Digital root of 23 × 17 =
3. 3.Digital root of 6200 =
4. 4.Digital root of 69 × 84 =
5. 5.Digital root of 90 × 82 =
6. 6.Digital root of 30 × 75 =
7. 7.Digital root of 65032 =
8. 8.Digital root of 63389 =
9. 9.Digital root of 32623 =
10. 10.Digital root of 50 × 63 =
11. 11.Digital root of 26 × 16 =
12. 12.Digital root of 719 =
13. 13.Digital root of 87 × 52 =
14. 14.Digital root of 68119 =
15. 15.Digital root of 41355 =
16. 16.Digital root of 21906 =
17. 17.Digital root of 50 × 41 =
18. 18.Digital root of 94718 =
19. 19.Digital root of 94179 =
20. 20.Digital root of 60593 =
21. 21.Digital root of 33 × 48 =
22. 22.Digital root of 81076 =
23. 23.Digital root of 17476 =
24. 24.Digital root of 28503 =
25. 25.Digital root of 92833 =
26. 26.Digital root of 6887 =
27. 27.Digital root of 65639 =
28. 28.Digital root of 98448 =
29. 29.Digital root of 93896 =
30. 30.Digital root of 11080 =
31. 31.Digital root of 4149 =
32. 32.Digital root of 90 × 28 =
33. 33.Digital root of 81 × 20 =
34. 34.Digital root of 80 × 27 =
35. 35.Digital root of 57267 =
36. 36.Digital root of 78 × 28 =
37. 37.Digital root of 76 × 99 =
38. 38.Digital root of 30 × 28 =
39. 39.Digital root of 79335 =
40. 40.Digital root of 33671 =

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