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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 212 · 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. 1.51² =
  2. 2.14² =
  3. 3.226² =
  4. 4.91² =
  5. 5.154² =
  6. 6.61² =
  7. 7.41² =
  8. 8.66² =
  9. 9.146² =
  10. 10.21² =
  11. 11.36² =
  12. 12.124² =
  13. 13.71² =
  14. 14.14² =
  15. 15.81² =
  16. 16.81² =
  17. 17.11² =
  18. 18.94² =
  19. 19.11² =
  20. 20.81² =
  21. 21.26² =
  22. 22.156² =
  23. 23.94² =
  24. 24.144² =
  25. 25.256² =
  26. 26.76² =
  27. 27.14² =
  28. 28.64² =
  29. 29.304² =
  30. 30.86² =
  31. 31.151² =
  32. 32.256² =
  33. 33.204² =
  34. 34.186² =
  35. 35.66² =
  36. 36.91² =
  37. 37.34² =
  38. 38.36² =
  39. 39.61² =
  40. 40.21² =

Answer key

  1. 2601
  2. 196
  3. 51076
  4. 8281
  5. 23716
  6. 3721
  7. 1681
  8. 4356
  9. 21316
  10. 441
  11. 1296
  12. 15376
  13. 5041
  14. 196
  15. 6561
  16. 6561
  17. 121
  18. 8836
  19. 121
  20. 6561
  21. 676
  22. 24336
  23. 8836
  24. 20736
  25. 65536
  26. 5776
  27. 196
  28. 4096
  29. 92416
  30. 7396
  31. 22801
  32. 65536
  33. 41616
  34. 34596
  35. 4356
  36. 8281
  37. 1156
  38. 1296
  39. 3721
  40. 441

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