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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 429 · 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. 1.61² =
  2. 2.241² =
  3. 3.236² =
  4. 4.46² =
  5. 5.61² =
  6. 6.231² =
  7. 7.161² =
  8. 8.66² =
  9. 9.254² =
  10. 10.61² =
  11. 11.74² =
  12. 12.21² =
  13. 13.134² =
  14. 14.294² =
  15. 15.16² =
  16. 16.251² =
  17. 17.31² =
  18. 18.186² =
  19. 19.61² =
  20. 20.31² =
  21. 21.71² =
  22. 22.101² =
  23. 23.36² =
  24. 24.71² =
  25. 25.304² =
  26. 26.16² =
  27. 27.56² =
  28. 28.94² =
  29. 29.51² =
  30. 30.241² =
  31. 31.24² =
  32. 32.101² =
  33. 33.41² =
  34. 34.296² =
  35. 35.34² =
  36. 36.34² =
  37. 37.36² =
  38. 38.256² =
  39. 39.51² =
  40. 40.81² =

Answer key

  1. 3721
  2. 58081
  3. 55696
  4. 2116
  5. 3721
  6. 53361
  7. 25921
  8. 4356
  9. 64516
  10. 3721
  11. 5476
  12. 441
  13. 17956
  14. 86436
  15. 256
  16. 63001
  17. 961
  18. 34596
  19. 3721
  20. 961
  21. 5041
  22. 10201
  23. 1296
  24. 5041
  25. 92416
  26. 256
  27. 3136
  28. 8836
  29. 2601
  30. 58081
  31. 576
  32. 10201
  33. 1681
  34. 87616
  35. 1156
  36. 1156
  37. 1296
  38. 65536
  39. 2601
  40. 6561

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