Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 79 · 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 86 × 33 =
2. 2.Digital root of 95 × 60 =
3. 3.Digital root of 38247 =
4. 4.Digital root of 22 × 92 =
5. 5.Digital root of 68 × 49 =
6. 6.Digital root of 36 × 72 =
7. 7.Digital root of 93 × 58 =
8. 8.Digital root of 23997 =
9. 9.Digital root of 70 × 44 =
10. 10.Digital root of 51843 =
11. 11.Digital root of 21 × 77 =
12. 12.Digital root of 73 × 68 =
13. 13.Digital root of 47 × 21 =
14. 14.Digital root of 89118 =
15. 15.Digital root of 80864 =
16. 16.Digital root of 26 × 51 =
17. 17.Digital root of 20754 =
18. 18.Digital root of 16 × 18 =
19. 19.Digital root of 37 × 90 =
20. 20.Digital root of 75 × 41 =
21. 21.Digital root of 74 × 64 =
22. 22.Digital root of 14152 =
23. 23.Digital root of 19039 =
24. 24.Digital root of 61665 =
25. 25.Digital root of 50949 =
26. 26.Digital root of 33 × 66 =
27. 27.Digital root of 22 × 56 =
28. 28.Digital root of 36473 =
29. 29.Digital root of 94255 =
30. 30.Digital root of 12658 =
31. 31.Digital root of 92002 =
32. 32.Digital root of 40 × 76 =
33. 33.Digital root of 84 × 98 =
34. 34.Digital root of 84 × 30 =
35. 35.Digital root of 15 × 63 =
36. 36.Digital root of 7502 =
37. 37.Digital root of 3178 =
38. 38.Digital root of 46 × 24 =
39. 39.Digital root of 19 × 16 =
40. 40.Digital root of 56359 =

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