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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 779 · 40 sums
TalentJR

The trick (Ekadhikena Purvena): Ending in 1 (t1): t² | 2 × t | 1, carrying from the right. Ending in 4: square the next number (ends in 5), then take away the two numbers added together. Ending in 6: square the number before (ends in 5), then add the two numbers.

NameDateTime takenScore ___ / 40
  1. 1.21² =
  2. 2.31² =
  3. 3.61² =
  4. 4.161² =
  5. 5.31² =
  6. 6.21² =
  7. 7.26² =
  8. 8.36² =
  9. 9.26² =
  10. 10.51² =
  11. 11.86² =
  12. 12.34² =
  13. 13.64² =
  14. 14.296² =
  15. 15.231² =
  16. 16.36² =
  17. 17.161² =
  18. 18.66² =
  19. 19.81² =
  20. 20.86² =
  21. 21.166² =
  22. 22.124² =
  23. 23.124² =
  24. 24.61² =
  25. 25.306² =
  26. 26.66² =
  27. 27.151² =
  28. 28.54² =
  29. 29.14² =
  30. 30.36² =
  31. 31.126² =
  32. 32.24² =
  33. 33.131² =
  34. 34.221² =
  35. 35.31² =
  36. 36.91² =
  37. 37.74² =
  38. 38.196² =
  39. 39.66² =
  40. 40.64² =

Answer key

  1. 441
  2. 961
  3. 3721
  4. 25921
  5. 961
  6. 441
  7. 676
  8. 1296
  9. 676
  10. 2601
  11. 7396
  12. 1156
  13. 4096
  14. 87616
  15. 53361
  16. 1296
  17. 25921
  18. 4356
  19. 6561
  20. 7396
  21. 27556
  22. 15376
  23. 15376
  24. 3721
  25. 93636
  26. 4356
  27. 22801
  28. 2916
  29. 196
  30. 1296
  31. 15876
  32. 576
  33. 17161
  34. 48841
  35. 961
  36. 8281
  37. 5476
  38. 38416
  39. 4356
  40. 4096

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