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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 99 · 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. 2.46² =
  3. 3.44² =
  4. 4.21² =
  5. 5.26² =
  6. 6.91² =
  7. 7.46² =
  8. 8.41² =
  9. 9.16² =
  10. 10.224² =
  11. 11.74² =
  12. 12.61² =
  13. 13.46² =
  14. 14.76² =
  15. 15.54² =
  16. 16.24² =
  17. 17.184² =
  18. 18.96² =
  19. 19.14² =
  20. 20.71² =
  21. 21.36² =
  22. 22.31² =
  23. 23.11² =
  24. 24.71² =
  25. 25.296² =
  26. 26.291² =
  27. 27.96² =
  28. 28.16² =
  29. 29.286² =
  30. 30.181² =
  31. 31.26² =
  32. 32.41² =
  33. 33.91² =
  34. 34.271² =
  35. 35.16² =
  36. 36.224² =
  37. 37.26² =
  38. 38.16² =
  39. 39.16² =
  40. 40.81² =

Answer key

  1. 2601
  2. 2116
  3. 1936
  4. 441
  5. 676
  6. 8281
  7. 2116
  8. 1681
  9. 256
  10. 50176
  11. 5476
  12. 3721
  13. 2116
  14. 5776
  15. 2916
  16. 576
  17. 33856
  18. 9216
  19. 196
  20. 5041
  21. 1296
  22. 961
  23. 121
  24. 5041
  25. 87616
  26. 84681
  27. 9216
  28. 256
  29. 81796
  30. 32761
  31. 676
  32. 1681
  33. 8281
  34. 73441
  35. 256
  36. 50176
  37. 676
  38. 256
  39. 256
  40. 6561

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