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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 195 · 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. 1.79² =
  2. 2.56² =
  3. 3.75² =
  4. 4.91² =
  5. 5.68² =
  6. 6.14² =
  7. 7.38² =
  8. 8.14² =
  9. 9.28² =
  10. 10.17² =
  11. 11.49² =
  12. 12.83² =
  13. 13.12² =
  14. 14.31² =
  15. 15.87² =
  16. 16.41² =
  17. 17.93² =
  18. 18.78² =
  19. 19.76² =
  20. 20.28² =
  21. 21.22² =
  22. 22.21² =
  23. 23.67² =
  24. 24.66² =
  25. 25.44² =
  26. 26.24² =
  27. 27.47² =
  28. 28.96² =
  29. 29.55² =
  30. 30.88² =
  31. 31.43² =
  32. 32.15² =
  33. 33.57² =
  34. 34.57² =
  35. 35.21² =
  36. 36.16² =
  37. 37.69² =
  38. 38.14² =
  39. 39.37² =
  40. 40.47² =

Answer key

  1. 6241
  2. 3136
  3. 5625
  4. 8281
  5. 4624
  6. 196
  7. 1444
  8. 196
  9. 784
  10. 289
  11. 2401
  12. 6889
  13. 144
  14. 961
  15. 7569
  16. 1681
  17. 8649
  18. 6084
  19. 5776
  20. 784
  21. 484
  22. 441
  23. 4489
  24. 4356
  25. 1936
  26. 576
  27. 2209
  28. 9216
  29. 3025
  30. 7744
  31. 1849
  32. 225
  33. 3249
  34. 3249
  35. 441
  36. 256
  37. 4761
  38. 196
  39. 1369
  40. 2209

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