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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 344 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.62² =
  2. 2.13² =
  3. 3.47² =
  4. 4.47² =
  5. 5.71² =
  6. 6.63² =
  7. 7.21² =
  8. 8.15² =
  9. 9.93² =
  10. 10.25² =
  11. 11.62² =
  12. 12.69² =
  13. 13.31² =
  14. 14.59² =
  15. 15.92² =
  16. 16.73² =
  17. 17.67² =
  18. 18.81² =
  19. 19.81² =
  20. 20.27² =
  21. 21.66² =
  22. 22.81² =
  23. 23.52² =
  24. 24.56² =
  25. 25.13² =
  26. 26.41² =
  27. 27.23² =
  28. 28.38² =
  29. 29.39² =
  30. 30.61² =
  31. 31.75² =
  32. 32.25² =
  33. 33.38² =
  34. 34.91² =
  35. 35.42² =
  36. 36.83² =
  37. 37.71² =
  38. 38.75² =
  39. 39.18² =
  40. 40.42² =

Answer key

  1. 3844
  2. 169
  3. 2209
  4. 2209
  5. 5041
  6. 3969
  7. 441
  8. 225
  9. 8649
  10. 625
  11. 3844
  12. 4761
  13. 961
  14. 3481
  15. 8464
  16. 5329
  17. 4489
  18. 6561
  19. 6561
  20. 729
  21. 4356
  22. 6561
  23. 2704
  24. 3136
  25. 169
  26. 1681
  27. 529
  28. 1444
  29. 1521
  30. 3721
  31. 5625
  32. 625
  33. 1444
  34. 8281
  35. 1764
  36. 6889
  37. 5041
  38. 5625
  39. 324
  40. 1764

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