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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 321 · 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. 1.24² =
  2. 2.131² =
  3. 3.201² =
  4. 4.164² =
  5. 5.216² =
  6. 6.14² =
  7. 7.124² =
  8. 8.86² =
  9. 9.144² =
  10. 10.26² =
  11. 11.84² =
  12. 12.31² =
  13. 13.196² =
  14. 14.191² =
  15. 15.54² =
  16. 16.21² =
  17. 17.76² =
  18. 18.21² =
  19. 19.81² =
  20. 20.24² =
  21. 21.64² =
  22. 22.56² =
  23. 23.131² =
  24. 24.71² =
  25. 25.24² =
  26. 26.161² =
  27. 27.14² =
  28. 28.156² =
  29. 29.131² =
  30. 30.234² =
  31. 31.241² =
  32. 32.31² =
  33. 33.146² =
  34. 34.206² =
  35. 35.114² =
  36. 36.281² =
  37. 37.51² =
  38. 38.124² =
  39. 39.26² =
  40. 40.51² =

Answer key

  1. 576
  2. 17161
  3. 40401
  4. 26896
  5. 46656
  6. 196
  7. 15376
  8. 7396
  9. 20736
  10. 676
  11. 7056
  12. 961
  13. 38416
  14. 36481
  15. 2916
  16. 441
  17. 5776
  18. 441
  19. 6561
  20. 576
  21. 4096
  22. 3136
  23. 17161
  24. 5041
  25. 576
  26. 25921
  27. 196
  28. 24336
  29. 17161
  30. 54756
  31. 58081
  32. 961
  33. 21316
  34. 42436
  35. 12996
  36. 78961
  37. 2601
  38. 15376
  39. 676
  40. 2601

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