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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 604 · 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. 2.56² =
  3. 3.64² =
  4. 4.276² =
  5. 5.276² =
  6. 6.231² =
  7. 7.144² =
  8. 8.76² =
  9. 9.156² =
  10. 10.34² =
  11. 11.251² =
  12. 12.301² =
  13. 13.11² =
  14. 14.36² =
  15. 15.54² =
  16. 16.61² =
  17. 17.11² =
  18. 18.246² =
  19. 19.54² =
  20. 20.41² =
  21. 21.81² =
  22. 22.84² =
  23. 23.114² =
  24. 24.274² =
  25. 25.166² =
  26. 26.76² =
  27. 27.66² =
  28. 28.11² =
  29. 29.71² =
  30. 30.56² =
  31. 31.94² =
  32. 32.166² =
  33. 33.226² =
  34. 34.41² =
  35. 35.226² =
  36. 36.76² =
  37. 37.74² =
  38. 38.51² =
  39. 39.76² =
  40. 40.261² =

Answer key

  1. 441
  2. 3136
  3. 4096
  4. 76176
  5. 76176
  6. 53361
  7. 20736
  8. 5776
  9. 24336
  10. 1156
  11. 63001
  12. 90601
  13. 121
  14. 1296
  15. 2916
  16. 3721
  17. 121
  18. 60516
  19. 2916
  20. 1681
  21. 6561
  22. 7056
  23. 12996
  24. 75076
  25. 27556
  26. 5776
  27. 4356
  28. 121
  29. 5041
  30. 3136
  31. 8836
  32. 27556
  33. 51076
  34. 1681
  35. 51076
  36. 5776
  37. 5476
  38. 2601
  39. 5776
  40. 68121

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