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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 990 · 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. 1.281² =
  2. 2.174² =
  3. 3.126² =
  4. 4.66² =
  5. 5.21² =
  6. 6.51² =
  7. 7.94² =
  8. 8.286² =
  9. 9.141² =
  10. 10.44² =
  11. 11.16² =
  12. 12.276² =
  13. 13.136² =
  14. 14.51² =
  15. 15.236² =
  16. 16.146² =
  17. 17.51² =
  18. 18.291² =
  19. 19.34² =
  20. 20.261² =
  21. 21.14² =
  22. 22.291² =
  23. 23.84² =
  24. 24.274² =
  25. 25.214² =
  26. 26.44² =
  27. 27.176² =
  28. 28.51² =
  29. 29.74² =
  30. 30.44² =
  31. 31.64² =
  32. 32.76² =
  33. 33.74² =
  34. 34.164² =
  35. 35.144² =
  36. 36.264² =
  37. 37.81² =
  38. 38.91² =
  39. 39.16² =
  40. 40.36² =

Answer key

  1. 78961
  2. 30276
  3. 15876
  4. 4356
  5. 441
  6. 2601
  7. 8836
  8. 81796
  9. 19881
  10. 1936
  11. 256
  12. 76176
  13. 18496
  14. 2601
  15. 55696
  16. 21316
  17. 2601
  18. 84681
  19. 1156
  20. 68121
  21. 196
  22. 84681
  23. 7056
  24. 75076
  25. 45796
  26. 1936
  27. 30976
  28. 2601
  29. 5476
  30. 1936
  31. 4096
  32. 5776
  33. 5476
  34. 26896
  35. 20736
  36. 69696
  37. 6561
  38. 8281
  39. 256
  40. 1296

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