Squares of 3 Digit Numbers Worksheet

Vedic maths trick 26: Squares of 3- and 4-digit numbers · Set 404 · 40 sums

The trick (Dwandwa Yoga): For abc: columns D(a) | D(ab) | D(abc) | D(bc) | D(c). D(a) = a², D(ab) = 2ab, D(abc) = 2ac + b², D(abcd) = 2ad + 2bc. Combine from the right with carries.

1. 1.509² =
2. 2.9565² =
3. 3.143² =
4. 4.861² =
5. 5.1242² =
6. 6.602² =
7. 7.8990² =
8. 8.5852² =
9. 9.974² =
10. 10.262² =
11. 11.6188² =
12. 12.5549² =
13. 13.3279² =
14. 14.8297² =
15. 15.912² =
16. 16.209² =
17. 17.199² =
18. 18.294² =
19. 19.6860² =
20. 20.846² =
21. 21.9211² =
22. 22.312² =
23. 23.201² =
24. 24.3072² =
25. 25.2021² =
26. 26.8762² =
27. 27.299² =
28. 28.841² =
29. 29.2315² =
30. 30.703² =
31. 31.106² =
32. 32.312² =
33. 33.672² =
34. 34.804² =
35. 35.900² =
36. 36.143² =
37. 37.3962² =
38. 38.109² =
39. 39.718² =
40. 40.386² =

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