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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 669 · 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. 2.76² =
  3. 3.146² =
  4. 4.141² =
  5. 5.261² =
  6. 6.284² =
  7. 7.81² =
  8. 8.204² =
  9. 9.306² =
  10. 10.201² =
  11. 11.81² =
  12. 12.26² =
  13. 13.226² =
  14. 14.301² =
  15. 15.301² =
  16. 16.236² =
  17. 17.84² =
  18. 18.14² =
  19. 19.66² =
  20. 20.21² =
  21. 21.71² =
  22. 22.226² =
  23. 23.64² =
  24. 24.96² =
  25. 25.134² =
  26. 26.11² =
  27. 27.161² =
  28. 28.114² =
  29. 29.11² =
  30. 30.24² =
  31. 31.24² =
  32. 32.181² =
  33. 33.36² =
  34. 34.46² =
  35. 35.144² =
  36. 36.56² =
  37. 37.174² =
  38. 38.71² =
  39. 39.24² =
  40. 40.196² =

Answer key

  1. 121
  2. 5776
  3. 21316
  4. 19881
  5. 68121
  6. 80656
  7. 6561
  8. 41616
  9. 93636
  10. 40401
  11. 6561
  12. 676
  13. 51076
  14. 90601
  15. 90601
  16. 55696
  17. 7056
  18. 196
  19. 4356
  20. 441
  21. 5041
  22. 51076
  23. 4096
  24. 9216
  25. 17956
  26. 121
  27. 25921
  28. 12996
  29. 121
  30. 576
  31. 576
  32. 32761
  33. 1296
  34. 2116
  35. 20736
  36. 3136
  37. 30276
  38. 5041
  39. 576
  40. 38416

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