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Squares Ending in 1, 4, 6 Worksheet

Vedic maths trick 23: Squares ending in 1, 4 and 6 · Set 180 · 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. 1.31² =
  2. 2.101² =
  3. 3.126² =
  4. 4.146² =
  5. 5.176² =
  6. 6.41² =
  7. 7.41² =
  8. 8.66² =
  9. 9.91² =
  10. 10.294² =
  11. 11.76² =
  12. 12.61² =
  13. 13.184² =
  14. 14.306² =
  15. 15.281² =
  16. 16.94² =
  17. 17.86² =
  18. 18.94² =
  19. 19.166² =
  20. 20.14² =
  21. 21.216² =
  22. 22.176² =
  23. 23.284² =
  24. 24.24² =
  25. 25.271² =
  26. 26.34² =
  27. 27.191² =
  28. 28.144² =
  29. 29.31² =
  30. 30.61² =
  31. 31.14² =
  32. 32.14² =
  33. 33.26² =
  34. 34.174² =
  35. 35.166² =
  36. 36.11² =
  37. 37.276² =
  38. 38.66² =
  39. 39.236² =
  40. 40.51² =

Answer key

  1. 961
  2. 10201
  3. 15876
  4. 21316
  5. 30976
  6. 1681
  7. 1681
  8. 4356
  9. 8281
  10. 86436
  11. 5776
  12. 3721
  13. 33856
  14. 93636
  15. 78961
  16. 8836
  17. 7396
  18. 8836
  19. 27556
  20. 196
  21. 46656
  22. 30976
  23. 80656
  24. 576
  25. 73441
  26. 1156
  27. 36481
  28. 20736
  29. 961
  30. 3721
  31. 196
  32. 196
  33. 676
  34. 30276
  35. 27556
  36. 121
  37. 76176
  38. 4356
  39. 55696
  40. 2601

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