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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 307 · 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. 1.48² =
  2. 2.69² =
  3. 3.25² =
  4. 4.89² =
  5. 5.76² =
  6. 6.57² =
  7. 7.92² =
  8. 8.99² =
  9. 9.21² =
  10. 10.21² =
  11. 11.17² =
  12. 12.39² =
  13. 13.67² =
  14. 14.76² =
  15. 15.72² =
  16. 16.71² =
  17. 17.21² =
  18. 18.92² =
  19. 19.47² =
  20. 20.91² =
  21. 21.84² =
  22. 22.88² =
  23. 23.58² =
  24. 24.27² =
  25. 25.61² =
  26. 26.24² =
  27. 27.28² =
  28. 28.86² =
  29. 29.77² =
  30. 30.21² =
  31. 31.54² =
  32. 32.77² =
  33. 33.55² =
  34. 34.62² =
  35. 35.61² =
  36. 36.47² =
  37. 37.74² =
  38. 38.87² =
  39. 39.73² =
  40. 40.44² =

Answer key

  1. 2304
  2. 4761
  3. 625
  4. 7921
  5. 5776
  6. 3249
  7. 8464
  8. 9801
  9. 441
  10. 441
  11. 289
  12. 1521
  13. 4489
  14. 5776
  15. 5184
  16. 5041
  17. 441
  18. 8464
  19. 2209
  20. 8281
  21. 7056
  22. 7744
  23. 3364
  24. 729
  25. 3721
  26. 576
  27. 784
  28. 7396
  29. 5929
  30. 441
  31. 2916
  32. 5929
  33. 3025
  34. 3844
  35. 3721
  36. 2209
  37. 5476
  38. 7569
  39. 5329
  40. 1936

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