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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 781 · 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. 1.45² =
  2. 2.29² =
  3. 3.39² =
  4. 4.93² =
  5. 5.32² =
  6. 6.36² =
  7. 7.88² =
  8. 8.87² =
  9. 9.17² =
  10. 10.51² =
  11. 11.29² =
  12. 12.85² =
  13. 13.88² =
  14. 14.15² =
  15. 15.25² =
  16. 16.61² =
  17. 17.64² =
  18. 18.59² =
  19. 19.87² =
  20. 20.47² =
  21. 21.21² =
  22. 22.49² =
  23. 23.22² =
  24. 24.26² =
  25. 25.28² =
  26. 26.79² =
  27. 27.37² =
  28. 28.16² =
  29. 29.13² =
  30. 30.42² =
  31. 31.81² =
  32. 32.71² =
  33. 33.22² =
  34. 34.55² =
  35. 35.89² =
  36. 36.23² =
  37. 37.66² =
  38. 38.97² =
  39. 39.68² =
  40. 40.21² =

Answer key

  1. 2025
  2. 841
  3. 1521
  4. 8649
  5. 1024
  6. 1296
  7. 7744
  8. 7569
  9. 289
  10. 2601
  11. 841
  12. 7225
  13. 7744
  14. 225
  15. 625
  16. 3721
  17. 4096
  18. 3481
  19. 7569
  20. 2209
  21. 441
  22. 2401
  23. 484
  24. 676
  25. 784
  26. 6241
  27. 1369
  28. 256
  29. 169
  30. 1764
  31. 6561
  32. 5041
  33. 484
  34. 3025
  35. 7921
  36. 529
  37. 4356
  38. 9409
  39. 4624
  40. 441

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