Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 884 · 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 27 × 29 =
2. 2.Digital root of 47 × 72 =
3. 3.Digital root of 26 × 87 =
4. 4.Digital root of 31 × 73 =
5. 5.Digital root of 75037 =
6. 6.Digital root of 66 × 45 =
7. 7.Digital root of 18 × 14 =
8. 8.Digital root of 2969 =
9. 9.Digital root of 82 × 38 =
10. 10.Digital root of 22 × 80 =
11. 11.Digital root of 79971 =
12. 12.Digital root of 66 × 25 =
13. 13.Digital root of 95 × 46 =
14. 14.Digital root of 83 × 90 =
15. 15.Digital root of 25 × 62 =
16. 16.Digital root of 20169 =
17. 17.Digital root of 8369 =
18. 18.Digital root of 25300 =
19. 19.Digital root of 72925 =
20. 20.Digital root of 38518 =
21. 21.Digital root of 71 × 55 =
22. 22.Digital root of 10451 =
23. 23.Digital root of 8456 =
24. 24.Digital root of 39764 =
25. 25.Digital root of 8853 =
26. 26.Digital root of 59304 =
27. 27.Digital root of 20 × 82 =
28. 28.Digital root of 45330 =
29. 29.Digital root of 51675 =
30. 30.Digital root of 13 × 34 =
31. 31.Digital root of 86 × 72 =
32. 32.Digital root of 16588 =
33. 33.Digital root of 33 × 13 =
34. 34.Digital root of 17 × 32 =
35. 35.Digital root of 54517 =
36. 36.Digital root of 3346 =
37. 37.Digital root of 44864 =
38. 38.Digital root of 59079 =
39. 39.Digital root of 53799 =
40. 40.Digital root of 92159 =

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