Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 971 · 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 29 × 17 =
2. 2.Digital root of 85 × 25 =
3. 3.Digital root of 85 × 13 =
4. 4.Digital root of 91 × 63 =
5. 5.Digital root of 98172 =
6. 6.Digital root of 38483 =
7. 7.Digital root of 666 =
8. 8.Digital root of 22 × 71 =
9. 9.Digital root of 8383 =
10. 10.Digital root of 56551 =
11. 11.Digital root of 76 × 25 =
12. 12.Digital root of 54953 =
13. 13.Digital root of 1226 =
14. 14.Digital root of 36 × 19 =
15. 15.Digital root of 36 × 60 =
16. 16.Digital root of 35559 =
17. 17.Digital root of 55865 =
18. 18.Digital root of 49650 =
19. 19.Digital root of 37 × 19 =
20. 20.Digital root of 24989 =
21. 21.Digital root of 17 × 99 =
22. 22.Digital root of 59421 =
23. 23.Digital root of 16 × 50 =
24. 24.Digital root of 70604 =
25. 25.Digital root of 45445 =
26. 26.Digital root of 55611 =
27. 27.Digital root of 33959 =
28. 28.Digital root of 28 × 72 =
29. 29.Digital root of 87390 =
30. 30.Digital root of 31983 =
31. 31.Digital root of 23740 =
32. 32.Digital root of 13 × 88 =
33. 33.Digital root of 29 × 20 =
34. 34.Digital root of 20 × 30 =
35. 35.Digital root of 55 × 93 =
36. 36.Digital root of 90 × 83 =
37. 37.Digital root of 33 × 43 =
38. 38.Digital root of 88 × 17 =
39. 39.Digital root of 57 × 25 =
40. 40.Digital root of 80 × 65 =

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