Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 356 · 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 34 × 51 =
2. 2.Digital root of 53 × 85 =
3. 3.Digital root of 74781 =
4. 4.Digital root of 96 × 71 =
5. 5.Digital root of 85 × 98 =
6. 6.Digital root of 1519 =
7. 7.Digital root of 25 × 40 =
8. 8.Digital root of 31 × 95 =
9. 9.Digital root of 80896 =
10. 10.Digital root of 9505 =
11. 11.Digital root of 17 × 29 =
12. 12.Digital root of 35 × 95 =
13. 13.Digital root of 28279 =
14. 14.Digital root of 21 × 22 =
15. 15.Digital root of 89972 =
16. 16.Digital root of 15394 =
17. 17.Digital root of 65 × 51 =
18. 18.Digital root of 78 × 75 =
19. 19.Digital root of 18088 =
20. 20.Digital root of 44761 =
21. 21.Digital root of 90 × 26 =
22. 22.Digital root of 85 × 86 =
23. 23.Digital root of 45 × 82 =
24. 24.Digital root of 18 × 16 =
25. 25.Digital root of 37 × 78 =
26. 26.Digital root of 79572 =
27. 27.Digital root of 84 × 96 =
28. 28.Digital root of 62 × 91 =
29. 29.Digital root of 3534 =
30. 30.Digital root of 72 × 74 =
31. 31.Digital root of 447 =
32. 32.Digital root of 47 × 51 =
33. 33.Digital root of 74 × 57 =
34. 34.Digital root of 61774 =
35. 35.Digital root of 28844 =
36. 36.Digital root of 47977 =
37. 37.Digital root of 97528 =
38. 38.Digital root of 40716 =
39. 39.Digital root of 549 =
40. 40.Digital root of 6258 =

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