Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 869 · 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 80 × 90 =
2. 2.Digital root of 34 × 40 =
3. 3.Digital root of 8145 =
4. 4.Digital root of 28813 =
5. 5.Digital root of 21037 =
6. 6.Digital root of 6901 =
7. 7.Digital root of 92148 =
8. 8.Digital root of 32967 =
9. 9.Digital root of 87473 =
10. 10.Digital root of 84789 =
11. 11.Digital root of 89998 =
12. 12.Digital root of 34873 =
13. 13.Digital root of 20 × 38 =
14. 14.Digital root of 41 × 51 =
15. 15.Digital root of 64 × 13 =
16. 16.Digital root of 30 × 43 =
17. 17.Digital root of 38 × 48 =
18. 18.Digital root of 74 × 41 =
19. 19.Digital root of 21 × 75 =
20. 20.Digital root of 34362 =
21. 21.Digital root of 24105 =
22. 22.Digital root of 48 × 48 =
23. 23.Digital root of 860 =
24. 24.Digital root of 29 × 97 =
25. 25.Digital root of 50598 =
26. 26.Digital root of 74 × 88 =
27. 27.Digital root of 45424 =
28. 28.Digital root of 90 × 51 =
29. 29.Digital root of 40821 =
30. 30.Digital root of 80760 =
31. 31.Digital root of 10905 =
32. 32.Digital root of 29183 =
33. 33.Digital root of 59080 =
34. 34.Digital root of 97997 =
35. 35.Digital root of 93567 =
36. 36.Digital root of 26 × 70 =
37. 37.Digital root of 97268 =
38. 38.Digital root of 48 × 78 =
39. 39.Digital root of 69 × 19 =
40. 40.Digital root of 5624 =

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