Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 468 · 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 25 × 72 =
2. 2.Digital root of 45829 =
3. 3.Digital root of 62833 =
4. 4.Digital root of 84314 =
5. 5.Digital root of 56 × 60 =
6. 6.Digital root of 7674 =
7. 7.Digital root of 94370 =
8. 8.Digital root of 21 × 71 =
9. 9.Digital root of 54 × 61 =
10. 10.Digital root of 61 × 30 =
11. 11.Digital root of 31279 =
12. 12.Digital root of 92549 =
13. 13.Digital root of 68 × 59 =
14. 14.Digital root of 17 × 88 =
15. 15.Digital root of 35 × 69 =
16. 16.Digital root of 12 × 40 =
17. 17.Digital root of 15 × 49 =
18. 18.Digital root of 66569 =
19. 19.Digital root of 9557 =
20. 20.Digital root of 42856 =
21. 21.Digital root of 64 × 40 =
22. 22.Digital root of 94442 =
23. 23.Digital root of 30117 =
24. 24.Digital root of 47053 =
25. 25.Digital root of 13 × 12 =
26. 26.Digital root of 14 × 24 =
27. 27.Digital root of 61064 =
28. 28.Digital root of 46153 =
29. 29.Digital root of 85425 =
30. 30.Digital root of 1091 =
31. 31.Digital root of 48 × 56 =
32. 32.Digital root of 81679 =
33. 33.Digital root of 52552 =
34. 34.Digital root of 79700 =
35. 35.Digital root of 47038 =
36. 36.Digital root of 88 × 93 =
37. 37.Digital root of 94003 =
38. 38.Digital root of 19 × 13 =
39. 39.Digital root of 47 × 62 =
40. 40.Digital root of 99 × 78 =

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