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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 470 · 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. 1.63² =
  2. 2.28² =
  3. 3.43² =
  4. 4.38² =
  5. 5.78² =
  6. 6.42² =
  7. 7.68² =
  8. 8.57² =
  9. 9.21² =
  10. 10.37² =
  11. 11.31² =
  12. 12.75² =
  13. 13.81² =
  14. 14.31² =
  15. 15.41² =
  16. 16.73² =
  17. 17.69² =
  18. 18.53² =
  19. 19.79² =
  20. 20.21² =
  21. 21.81² =
  22. 22.31² =
  23. 23.97² =
  24. 24.11² =
  25. 25.21² =
  26. 26.47² =
  27. 27.89² =
  28. 28.46² =
  29. 29.32² =
  30. 30.69² =
  31. 31.18² =
  32. 32.11² =
  33. 33.35² =
  34. 34.81² =
  35. 35.52² =
  36. 36.61² =
  37. 37.58² =
  38. 38.87² =
  39. 39.91² =
  40. 40.21² =

Answer key

  1. 3969
  2. 784
  3. 1849
  4. 1444
  5. 6084
  6. 1764
  7. 4624
  8. 3249
  9. 441
  10. 1369
  11. 961
  12. 5625
  13. 6561
  14. 961
  15. 1681
  16. 5329
  17. 4761
  18. 2809
  19. 6241
  20. 441
  21. 6561
  22. 961
  23. 9409
  24. 121
  25. 441
  26. 2209
  27. 7921
  28. 2116
  29. 1024
  30. 4761
  31. 324
  32. 121
  33. 1225
  34. 6561
  35. 2704
  36. 3721
  37. 3364
  38. 7569
  39. 8281
  40. 441

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