Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 551 · 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 76 × 76 =
2. 2.Digital root of 39227 =
3. 3.Digital root of 47 × 78 =
4. 4.Digital root of 29576 =
5. 5.Digital root of 80 × 87 =
6. 6.Digital root of 94714 =
7. 7.Digital root of 83606 =
8. 8.Digital root of 16 × 95 =
9. 9.Digital root of 47 × 47 =
10. 10.Digital root of 18 × 16 =
11. 11.Digital root of 28383 =
12. 12.Digital root of 51144 =
13. 13.Digital root of 90 × 12 =
14. 14.Digital root of 35 × 53 =
15. 15.Digital root of 12246 =
16. 16.Digital root of 19223 =
17. 17.Digital root of 25 × 81 =
18. 18.Digital root of 89127 =
19. 19.Digital root of 56017 =
20. 20.Digital root of 58458 =
21. 21.Digital root of 26764 =
22. 22.Digital root of 17320 =
23. 23.Digital root of 13 × 70 =
24. 24.Digital root of 17896 =
25. 25.Digital root of 66749 =
26. 26.Digital root of 75 × 16 =
27. 27.Digital root of 57924 =
28. 28.Digital root of 5745 =
29. 29.Digital root of 47 × 40 =
30. 30.Digital root of 54088 =
31. 31.Digital root of 25230 =
32. 32.Digital root of 68246 =
33. 33.Digital root of 80 × 32 =
34. 34.Digital root of 46 × 12 =
35. 35.Digital root of 84 × 99 =
36. 36.Digital root of 21374 =
37. 37.Digital root of 1761 =
38. 38.Digital root of 74 × 46 =
39. 39.Digital root of 36309 =
40. 40.Digital root of 22 × 28 =

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