Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 243 · 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 71 × 90 =
2. 2.Digital root of 64168 =
3. 3.Digital root of 9300 =
4. 4.Digital root of 833 =
5. 5.Digital root of 79551 =
6. 6.Digital root of 42 × 31 =
7. 7.Digital root of 45410 =
8. 8.Digital root of 48329 =
9. 9.Digital root of 69 × 46 =
10. 10.Digital root of 37 × 28 =
11. 11.Digital root of 59071 =
12. 12.Digital root of 89 × 59 =
13. 13.Digital root of 45 × 25 =
14. 14.Digital root of 17025 =
15. 15.Digital root of 12686 =
16. 16.Digital root of 96 × 94 =
17. 17.Digital root of 54962 =
18. 18.Digital root of 6072 =
19. 19.Digital root of 30870 =
20. 20.Digital root of 36 × 49 =
21. 21.Digital root of 70015 =
22. 22.Digital root of 93 × 43 =
23. 23.Digital root of 57 × 22 =
24. 24.Digital root of 44959 =
25. 25.Digital root of 48 × 82 =
26. 26.Digital root of 48735 =
27. 27.Digital root of 74 × 60 =
28. 28.Digital root of 11332 =
29. 29.Digital root of 27899 =
30. 30.Digital root of 8553 =
31. 31.Digital root of 86 × 23 =
32. 32.Digital root of 66310 =
33. 33.Digital root of 28736 =
34. 34.Digital root of 77321 =
35. 35.Digital root of 16844 =
36. 36.Digital root of 81982 =
37. 37.Digital root of 34171 =
38. 38.Digital root of 17441 =
39. 39.Digital root of 65 × 25 =
40. 40.Digital root of 26121 =

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