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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 463 · 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. 1.51² =
  2. 2.84² =
  3. 3.16² =
  4. 4.261² =
  5. 5.291² =
  6. 6.156² =
  7. 7.286² =
  8. 8.244² =
  9. 9.61² =
  10. 10.14² =
  11. 11.61² =
  12. 12.16² =
  13. 13.61² =
  14. 14.266² =
  15. 15.241² =
  16. 16.84² =
  17. 17.114² =
  18. 18.114² =
  19. 19.54² =
  20. 20.81² =
  21. 21.24² =
  22. 22.114² =
  23. 23.26² =
  24. 24.186² =
  25. 25.71² =
  26. 26.206² =
  27. 27.136² =
  28. 28.56² =
  29. 29.46² =
  30. 30.201² =
  31. 31.61² =
  32. 32.186² =
  33. 33.11² =
  34. 34.31² =
  35. 35.131² =
  36. 36.51² =
  37. 37.36² =
  38. 38.166² =
  39. 39.91² =
  40. 40.41² =

Answer key

  1. 2601
  2. 7056
  3. 256
  4. 68121
  5. 84681
  6. 24336
  7. 81796
  8. 59536
  9. 3721
  10. 196
  11. 3721
  12. 256
  13. 3721
  14. 70756
  15. 58081
  16. 7056
  17. 12996
  18. 12996
  19. 2916
  20. 6561
  21. 576
  22. 12996
  23. 676
  24. 34596
  25. 5041
  26. 42436
  27. 18496
  28. 3136
  29. 2116
  30. 40401
  31. 3721
  32. 34596
  33. 121
  34. 961
  35. 17161
  36. 2601
  37. 1296
  38. 27556
  39. 8281
  40. 1681

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