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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 823 · 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. 2.41² =
  3. 3.81² =
  4. 4.281² =
  5. 5.236² =
  6. 6.46² =
  7. 7.36² =
  8. 8.111² =
  9. 9.36² =
  10. 10.64² =
  11. 11.86² =
  12. 12.56² =
  13. 13.104² =
  14. 14.46² =
  15. 15.66² =
  16. 16.24² =
  17. 17.61² =
  18. 18.211² =
  19. 19.36² =
  20. 20.131² =
  21. 21.76² =
  22. 22.76² =
  23. 23.11² =
  24. 24.216² =
  25. 25.166² =
  26. 26.126² =
  27. 27.66² =
  28. 28.14² =
  29. 29.146² =
  30. 30.221² =
  31. 31.134² =
  32. 32.141² =
  33. 33.54² =
  34. 34.14² =
  35. 35.186² =
  36. 36.241² =
  37. 37.61² =
  38. 38.56² =
  39. 39.211² =
  40. 40.91² =

Answer key

  1. 441
  2. 1681
  3. 6561
  4. 78961
  5. 55696
  6. 2116
  7. 1296
  8. 12321
  9. 1296
  10. 4096
  11. 7396
  12. 3136
  13. 10816
  14. 2116
  15. 4356
  16. 576
  17. 3721
  18. 44521
  19. 1296
  20. 17161
  21. 5776
  22. 5776
  23. 121
  24. 46656
  25. 27556
  26. 15876
  27. 4356
  28. 196
  29. 21316
  30. 48841
  31. 17956
  32. 19881
  33. 2916
  34. 196
  35. 34596
  36. 58081
  37. 3721
  38. 3136
  39. 44521
  40. 8281

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