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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 747 · 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. 1.89² =
  2. 2.37² =
  3. 3.67² =
  4. 4.55² =
  5. 5.14² =
  6. 6.52² =
  7. 7.15² =
  8. 8.93² =
  9. 9.41² =
  10. 10.79² =
  11. 11.24² =
  12. 12.69² =
  13. 13.36² =
  14. 14.23² =
  15. 15.88² =
  16. 16.56² =
  17. 17.76² =
  18. 18.33² =
  19. 19.25² =
  20. 20.83² =
  21. 21.21² =
  22. 22.23² =
  23. 23.76² =
  24. 24.11² =
  25. 25.96² =
  26. 26.91² =
  27. 27.65² =
  28. 28.14² =
  29. 29.91² =
  30. 30.62² =
  31. 31.34² =
  32. 32.17² =
  33. 33.12² =
  34. 34.86² =
  35. 35.55² =
  36. 36.35² =
  37. 37.37² =
  38. 38.47² =
  39. 39.53² =
  40. 40.68² =

Answer key

  1. 7921
  2. 1369
  3. 4489
  4. 3025
  5. 196
  6. 2704
  7. 225
  8. 8649
  9. 1681
  10. 6241
  11. 576
  12. 4761
  13. 1296
  14. 529
  15. 7744
  16. 3136
  17. 5776
  18. 1089
  19. 625
  20. 6889
  21. 441
  22. 529
  23. 5776
  24. 121
  25. 9216
  26. 8281
  27. 4225
  28. 196
  29. 8281
  30. 3844
  31. 1156
  32. 289
  33. 144
  34. 7396
  35. 3025
  36. 1225
  37. 1369
  38. 2209
  39. 2809
  40. 4624

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