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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 741 · 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. 1.11² =
  2. 2.224² =
  3. 3.96² =
  4. 4.41² =
  5. 5.34² =
  6. 6.176² =
  7. 7.254² =
  8. 8.164² =
  9. 9.246² =
  10. 10.104² =
  11. 11.124² =
  12. 12.26² =
  13. 13.306² =
  14. 14.34² =
  15. 15.14² =
  16. 16.41² =
  17. 17.151² =
  18. 18.301² =
  19. 19.294² =
  20. 20.206² =
  21. 21.86² =
  22. 22.21² =
  23. 23.281² =
  24. 24.34² =
  25. 25.196² =
  26. 26.41² =
  27. 27.86² =
  28. 28.46² =
  29. 29.81² =
  30. 30.16² =
  31. 31.14² =
  32. 32.16² =
  33. 33.106² =
  34. 34.71² =
  35. 35.96² =
  36. 36.191² =
  37. 37.41² =
  38. 38.161² =
  39. 39.64² =
  40. 40.21² =

Answer key

  1. 121
  2. 50176
  3. 9216
  4. 1681
  5. 1156
  6. 30976
  7. 64516
  8. 26896
  9. 60516
  10. 10816
  11. 15376
  12. 676
  13. 93636
  14. 1156
  15. 196
  16. 1681
  17. 22801
  18. 90601
  19. 86436
  20. 42436
  21. 7396
  22. 441
  23. 78961
  24. 1156
  25. 38416
  26. 1681
  27. 7396
  28. 2116
  29. 6561
  30. 256
  31. 196
  32. 256
  33. 11236
  34. 5041
  35. 9216
  36. 36481
  37. 1681
  38. 25921
  39. 4096
  40. 441

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