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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 115 · 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. 1.99² =
  2. 2.81² =
  3. 3.15² =
  4. 4.18² =
  5. 5.37² =
  6. 6.46² =
  7. 7.39² =
  8. 8.43² =
  9. 9.83² =
  10. 10.46² =
  11. 11.49² =
  12. 12.68² =
  13. 13.64² =
  14. 14.99² =
  15. 15.88² =
  16. 16.84² =
  17. 17.14² =
  18. 18.34² =
  19. 19.57² =
  20. 20.79² =
  21. 21.47² =
  22. 22.22² =
  23. 23.17² =
  24. 24.29² =
  25. 25.77² =
  26. 26.24² =
  27. 27.15² =
  28. 28.16² =
  29. 29.96² =
  30. 30.96² =
  31. 31.23² =
  32. 32.78² =
  33. 33.74² =
  34. 34.39² =
  35. 35.56² =
  36. 36.19² =
  37. 37.96² =
  38. 38.42² =
  39. 39.91² =
  40. 40.78² =

Answer key

  1. 9801
  2. 6561
  3. 225
  4. 324
  5. 1369
  6. 2116
  7. 1521
  8. 1849
  9. 6889
  10. 2116
  11. 2401
  12. 4624
  13. 4096
  14. 9801
  15. 7744
  16. 7056
  17. 196
  18. 1156
  19. 3249
  20. 6241
  21. 2209
  22. 484
  23. 289
  24. 841
  25. 5929
  26. 576
  27. 225
  28. 256
  29. 9216
  30. 9216
  31. 529
  32. 6084
  33. 5476
  34. 1521
  35. 3136
  36. 361
  37. 9216
  38. 1764
  39. 8281
  40. 6084

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