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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 640 · 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. 1.37² =
  2. 2.45² =
  3. 3.51² =
  4. 4.35² =
  5. 5.51² =
  6. 6.39² =
  7. 7.77² =
  8. 8.41² =
  9. 9.14² =
  10. 10.45² =
  11. 11.48² =
  12. 12.86² =
  13. 13.21² =
  14. 14.26² =
  15. 15.91² =
  16. 16.14² =
  17. 17.65² =
  18. 18.98² =
  19. 19.98² =
  20. 20.19² =
  21. 21.78² =
  22. 22.81² =
  23. 23.67² =
  24. 24.77² =
  25. 25.65² =
  26. 26.49² =
  27. 27.79² =
  28. 28.86² =
  29. 29.77² =
  30. 30.92² =
  31. 31.78² =
  32. 32.42² =
  33. 33.39² =
  34. 34.69² =
  35. 35.31² =
  36. 36.19² =
  37. 37.66² =
  38. 38.87² =
  39. 39.37² =
  40. 40.44² =

Answer key

  1. 1369
  2. 2025
  3. 2601
  4. 1225
  5. 2601
  6. 1521
  7. 5929
  8. 1681
  9. 196
  10. 2025
  11. 2304
  12. 7396
  13. 441
  14. 676
  15. 8281
  16. 196
  17. 4225
  18. 9604
  19. 9604
  20. 361
  21. 6084
  22. 6561
  23. 4489
  24. 5929
  25. 4225
  26. 2401
  27. 6241
  28. 7396
  29. 5929
  30. 8464
  31. 6084
  32. 1764
  33. 1521
  34. 4761
  35. 961
  36. 361
  37. 4356
  38. 7569
  39. 1369
  40. 1936

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