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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 431 · 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. 2.294² =
  3. 3.31² =
  4. 4.16² =
  5. 5.71² =
  6. 6.291² =
  7. 7.66² =
  8. 8.291² =
  9. 9.294² =
  10. 10.206² =
  11. 11.11² =
  12. 12.21² =
  13. 13.141² =
  14. 14.81² =
  15. 15.91² =
  16. 16.11² =
  17. 17.91² =
  18. 18.16² =
  19. 19.96² =
  20. 20.14² =
  21. 21.136² =
  22. 22.271² =
  23. 23.186² =
  24. 24.51² =
  25. 25.36² =
  26. 26.34² =
  27. 27.271² =
  28. 28.64² =
  29. 29.161² =
  30. 30.34² =
  31. 31.21² =
  32. 32.96² =
  33. 33.94² =
  34. 34.41² =
  35. 35.246² =
  36. 36.101² =
  37. 37.96² =
  38. 38.124² =
  39. 39.74² =
  40. 40.46² =

Answer key

  1. 441
  2. 86436
  3. 961
  4. 256
  5. 5041
  6. 84681
  7. 4356
  8. 84681
  9. 86436
  10. 42436
  11. 121
  12. 441
  13. 19881
  14. 6561
  15. 8281
  16. 121
  17. 8281
  18. 256
  19. 9216
  20. 196
  21. 18496
  22. 73441
  23. 34596
  24. 2601
  25. 1296
  26. 1156
  27. 73441
  28. 4096
  29. 25921
  30. 1156
  31. 441
  32. 9216
  33. 8836
  34. 1681
  35. 60516
  36. 10201
  37. 9216
  38. 15376
  39. 5476
  40. 2116

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