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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 212 · 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. 1.82² =
  2. 2.15² =
  3. 3.86² =
  4. 4.35² =
  5. 5.91² =
  6. 6.45² =
  7. 7.81² =
  8. 8.84² =
  9. 9.75² =
  10. 10.41² =
  11. 11.98² =
  12. 12.19² =
  13. 13.35² =
  14. 14.15² =
  15. 15.11² =
  16. 16.31² =
  17. 17.42² =
  18. 18.91² =
  19. 19.48² =
  20. 20.81² =
  21. 21.88² =
  22. 22.33² =
  23. 23.31² =
  24. 24.34² =
  25. 25.44² =
  26. 26.37² =
  27. 27.27² =
  28. 28.18² =
  29. 29.14² =
  30. 30.28² =
  31. 31.37² =
  32. 32.53² =
  33. 33.37² =
  34. 34.84² =
  35. 35.63² =
  36. 36.34² =
  37. 37.56² =
  38. 38.57² =
  39. 39.74² =
  40. 40.91² =

Answer key

  1. 6724
  2. 225
  3. 7396
  4. 1225
  5. 8281
  6. 2025
  7. 6561
  8. 7056
  9. 5625
  10. 1681
  11. 9604
  12. 361
  13. 1225
  14. 225
  15. 121
  16. 961
  17. 1764
  18. 8281
  19. 2304
  20. 6561
  21. 7744
  22. 1089
  23. 961
  24. 1156
  25. 1936
  26. 1369
  27. 729
  28. 324
  29. 196
  30. 784
  31. 1369
  32. 2809
  33. 1369
  34. 7056
  35. 3969
  36. 1156
  37. 3136
  38. 3249
  39. 5476
  40. 8281

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