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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 64 · 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. 1.93² =
  2. 2.23² =
  3. 3.71² =
  4. 4.75² =
  5. 5.71² =
  6. 6.85² =
  7. 7.58² =
  8. 8.57² =
  9. 9.18² =
  10. 10.75² =
  11. 11.16² =
  12. 12.28² =
  13. 13.21² =
  14. 14.82² =
  15. 15.17² =
  16. 16.63² =
  17. 17.56² =
  18. 18.67² =
  19. 19.49² =
  20. 20.64² =
  21. 21.71² =
  22. 22.78² =
  23. 23.99² =
  24. 24.56² =
  25. 25.65² =
  26. 26.95² =
  27. 27.12² =
  28. 28.78² =
  29. 29.36² =
  30. 30.22² =
  31. 31.68² =
  32. 32.41² =
  33. 33.62² =
  34. 34.38² =
  35. 35.73² =
  36. 36.63² =
  37. 37.98² =
  38. 38.78² =
  39. 39.42² =
  40. 40.23² =

Answer key

  1. 8649
  2. 529
  3. 5041
  4. 5625
  5. 5041
  6. 7225
  7. 3364
  8. 3249
  9. 324
  10. 5625
  11. 256
  12. 784
  13. 441
  14. 6724
  15. 289
  16. 3969
  17. 3136
  18. 4489
  19. 2401
  20. 4096
  21. 5041
  22. 6084
  23. 9801
  24. 3136
  25. 4225
  26. 9025
  27. 144
  28. 6084
  29. 1296
  30. 484
  31. 4624
  32. 1681
  33. 3844
  34. 1444
  35. 5329
  36. 3969
  37. 9604
  38. 6084
  39. 1764
  40. 529

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