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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 91 · 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. 1.241² =
  2. 2.301² =
  3. 3.21² =
  4. 4.24² =
  5. 5.254² =
  6. 6.21² =
  7. 7.76² =
  8. 8.14² =
  9. 9.66² =
  10. 10.54² =
  11. 11.54² =
  12. 12.16² =
  13. 13.51² =
  14. 14.56² =
  15. 15.126² =
  16. 16.71² =
  17. 17.114² =
  18. 18.104² =
  19. 19.64² =
  20. 20.156² =
  21. 21.301² =
  22. 22.206² =
  23. 23.156² =
  24. 24.61² =
  25. 25.34² =
  26. 26.244² =
  27. 27.94² =
  28. 28.121² =
  29. 29.61² =
  30. 30.44² =
  31. 31.24² =
  32. 32.44² =
  33. 33.104² =
  34. 34.91² =
  35. 35.14² =
  36. 36.74² =
  37. 37.81² =
  38. 38.74² =
  39. 39.101² =
  40. 40.91² =

Answer key

  1. 58081
  2. 90601
  3. 441
  4. 576
  5. 64516
  6. 441
  7. 5776
  8. 196
  9. 4356
  10. 2916
  11. 2916
  12. 256
  13. 2601
  14. 3136
  15. 15876
  16. 5041
  17. 12996
  18. 10816
  19. 4096
  20. 24336
  21. 90601
  22. 42436
  23. 24336
  24. 3721
  25. 1156
  26. 59536
  27. 8836
  28. 14641
  29. 3721
  30. 1936
  31. 576
  32. 1936
  33. 10816
  34. 8281
  35. 196
  36. 5476
  37. 6561
  38. 5476
  39. 10201
  40. 8281

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