Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 851 · 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 12 × 25 =
2. 2.Digital root of 27315 =
3. 3.Digital root of 71 × 14 =
4. 4.Digital root of 12163 =
5. 5.Digital root of 45944 =
6. 6.Digital root of 13 × 44 =
7. 7.Digital root of 25742 =
8. 8.Digital root of 67649 =
9. 9.Digital root of 71 × 87 =
10. 10.Digital root of 78557 =
11. 11.Digital root of 58224 =
12. 12.Digital root of 23 × 18 =
13. 13.Digital root of 58 × 72 =
14. 14.Digital root of 98464 =
15. 15.Digital root of 78 × 50 =
16. 16.Digital root of 55 × 95 =
17. 17.Digital root of 75 × 28 =
18. 18.Digital root of 71353 =
19. 19.Digital root of 38721 =
20. 20.Digital root of 5551 =
21. 21.Digital root of 18441 =
22. 22.Digital root of 21667 =
23. 23.Digital root of 48 × 45 =
24. 24.Digital root of 20990 =
25. 25.Digital root of 14280 =
26. 26.Digital root of 21230 =
27. 27.Digital root of 88 × 43 =
28. 28.Digital root of 79917 =
29. 29.Digital root of 71 × 18 =
30. 30.Digital root of 24086 =
31. 31.Digital root of 78 × 16 =
32. 32.Digital root of 14080 =
33. 33.Digital root of 67 × 51 =
34. 34.Digital root of 22 × 47 =
35. 35.Digital root of 13 × 27 =
36. 36.Digital root of 14701 =
37. 37.Digital root of 99 × 62 =
38. 38.Digital root of 39141 =
39. 39.Digital root of 65 × 16 =
40. 40.Digital root of 24982 =

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