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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 165 · 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. 1.53² =
  2. 2.32² =
  3. 3.72² =
  4. 4.55² =
  5. 5.66² =
  6. 6.15² =
  7. 7.18² =
  8. 8.26² =
  9. 9.24² =
  10. 10.36² =
  11. 11.29² =
  12. 12.14² =
  13. 13.41² =
  14. 14.42² =
  15. 15.21² =
  16. 16.82² =
  17. 17.23² =
  18. 18.57² =
  19. 19.57² =
  20. 20.34² =
  21. 21.68² =
  22. 22.16² =
  23. 23.15² =
  24. 24.62² =
  25. 25.17² =
  26. 26.78² =
  27. 27.38² =
  28. 28.28² =
  29. 29.31² =
  30. 30.45² =
  31. 31.32² =
  32. 32.76² =
  33. 33.72² =
  34. 34.58² =
  35. 35.28² =
  36. 36.43² =
  37. 37.25² =
  38. 38.52² =
  39. 39.14² =
  40. 40.47² =

Answer key

  1. 2809
  2. 1024
  3. 5184
  4. 3025
  5. 4356
  6. 225
  7. 324
  8. 676
  9. 576
  10. 1296
  11. 841
  12. 196
  13. 1681
  14. 1764
  15. 441
  16. 6724
  17. 529
  18. 3249
  19. 3249
  20. 1156
  21. 4624
  22. 256
  23. 225
  24. 3844
  25. 289
  26. 6084
  27. 1444
  28. 784
  29. 961
  30. 2025
  31. 1024
  32. 5776
  33. 5184
  34. 3364
  35. 784
  36. 1849
  37. 625
  38. 2704
  39. 196
  40. 2209

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