Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 771 · 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 70 × 82 =
2. 2.Digital root of 18 × 64 =
3. 3.Digital root of 71576 =
4. 4.Digital root of 81173 =
5. 5.Digital root of 21117 =
6. 6.Digital root of 86923 =
7. 7.Digital root of 51 × 58 =
8. 8.Digital root of 91 × 22 =
9. 9.Digital root of 54 × 93 =
10. 10.Digital root of 66 × 79 =
11. 11.Digital root of 22948 =
12. 12.Digital root of 76860 =
13. 13.Digital root of 9062 =
14. 14.Digital root of 37906 =
15. 15.Digital root of 84 × 57 =
16. 16.Digital root of 13205 =
17. 17.Digital root of 33131 =
18. 18.Digital root of 41 × 45 =
19. 19.Digital root of 89805 =
20. 20.Digital root of 22 × 41 =
21. 21.Digital root of 91 × 13 =
22. 22.Digital root of 65 × 28 =
23. 23.Digital root of 34 × 54 =
24. 24.Digital root of 26663 =
25. 25.Digital root of 88737 =
26. 26.Digital root of 93 × 86 =
27. 27.Digital root of 45 × 32 =
28. 28.Digital root of 33435 =
29. 29.Digital root of 72 × 33 =
30. 30.Digital root of 59 × 66 =
31. 31.Digital root of 96 × 45 =
32. 32.Digital root of 97 × 30 =
33. 33.Digital root of 30 × 46 =
34. 34.Digital root of 13570 =
35. 35.Digital root of 95 × 39 =
36. 36.Digital root of 34 × 16 =
37. 37.Digital root of 16008 =
38. 38.Digital root of 86674 =
39. 39.Digital root of 50 × 89 =
40. 40.Digital root of 63 × 58 =

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