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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 686 · 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. 2.161² =
  3. 3.116² =
  4. 4.61² =
  5. 5.36² =
  6. 6.76² =
  7. 7.286² =
  8. 8.86² =
  9. 9.36² =
  10. 10.131² =
  11. 11.21² =
  12. 12.21² =
  13. 13.171² =
  14. 14.44² =
  15. 15.221² =
  16. 16.34² =
  17. 17.101² =
  18. 18.11² =
  19. 19.11² =
  20. 20.46² =
  21. 21.71² =
  22. 22.11² =
  23. 23.251² =
  24. 24.24² =
  25. 25.224² =
  26. 26.21² =
  27. 27.54² =
  28. 28.304² =
  29. 29.24² =
  30. 30.116² =
  31. 31.54² =
  32. 32.134² =
  33. 33.34² =
  34. 34.71² =
  35. 35.11² =
  36. 36.174² =
  37. 37.61² =
  38. 38.26² =
  39. 39.106² =
  40. 40.11² =

Answer key

  1. 576
  2. 25921
  3. 13456
  4. 3721
  5. 1296
  6. 5776
  7. 81796
  8. 7396
  9. 1296
  10. 17161
  11. 441
  12. 441
  13. 29241
  14. 1936
  15. 48841
  16. 1156
  17. 10201
  18. 121
  19. 121
  20. 2116
  21. 5041
  22. 121
  23. 63001
  24. 576
  25. 50176
  26. 441
  27. 2916
  28. 92416
  29. 576
  30. 13456
  31. 2916
  32. 17956
  33. 1156
  34. 5041
  35. 121
  36. 30276
  37. 3721
  38. 676
  39. 11236
  40. 121

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