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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 135 · 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. 1.23² =
  2. 2.57² =
  3. 3.31² =
  4. 4.22² =
  5. 5.21² =
  6. 6.25² =
  7. 7.22² =
  8. 8.28² =
  9. 9.18² =
  10. 10.29² =
  11. 11.54² =
  12. 12.58² =
  13. 13.56² =
  14. 14.69² =
  15. 15.58² =
  16. 16.81² =
  17. 17.35² =
  18. 18.13² =
  19. 19.95² =
  20. 20.33² =
  21. 21.27² =
  22. 22.27² =
  23. 23.14² =
  24. 24.37² =
  25. 25.74² =
  26. 26.75² =
  27. 27.98² =
  28. 28.49² =
  29. 29.91² =
  30. 30.15² =
  31. 31.89² =
  32. 32.12² =
  33. 33.87² =
  34. 34.12² =
  35. 35.23² =
  36. 36.56² =
  37. 37.77² =
  38. 38.49² =
  39. 39.11² =
  40. 40.85² =

Answer key

  1. 529
  2. 3249
  3. 961
  4. 484
  5. 441
  6. 625
  7. 484
  8. 784
  9. 324
  10. 841
  11. 2916
  12. 3364
  13. 3136
  14. 4761
  15. 3364
  16. 6561
  17. 1225
  18. 169
  19. 9025
  20. 1089
  21. 729
  22. 729
  23. 196
  24. 1369
  25. 5476
  26. 5625
  27. 9604
  28. 2401
  29. 8281
  30. 225
  31. 7921
  32. 144
  33. 7569
  34. 144
  35. 529
  36. 3136
  37. 5929
  38. 2401
  39. 121
  40. 7225

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