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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 745 · 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. 1.25² =
  2. 2.28² =
  3. 3.87² =
  4. 4.63² =
  5. 5.85² =
  6. 6.37² =
  7. 7.15² =
  8. 8.51² =
  9. 9.18² =
  10. 10.96² =
  11. 11.77² =
  12. 12.62² =
  13. 13.73² =
  14. 14.34² =
  15. 15.71² =
  16. 16.39² =
  17. 17.21² =
  18. 18.91² =
  19. 19.54² =
  20. 20.87² =
  21. 21.33² =
  22. 22.45² =
  23. 23.61² =
  24. 24.85² =
  25. 25.88² =
  26. 26.96² =
  27. 27.29² =
  28. 28.72² =
  29. 29.99² =
  30. 30.79² =
  31. 31.38² =
  32. 32.39² =
  33. 33.56² =
  34. 34.24² =
  35. 35.61² =
  36. 36.98² =
  37. 37.96² =
  38. 38.18² =
  39. 39.89² =
  40. 40.33² =

Answer key

  1. 625
  2. 784
  3. 7569
  4. 3969
  5. 7225
  6. 1369
  7. 225
  8. 2601
  9. 324
  10. 9216
  11. 5929
  12. 3844
  13. 5329
  14. 1156
  15. 5041
  16. 1521
  17. 441
  18. 8281
  19. 2916
  20. 7569
  21. 1089
  22. 2025
  23. 3721
  24. 7225
  25. 7744
  26. 9216
  27. 841
  28. 5184
  29. 9801
  30. 6241
  31. 1444
  32. 1521
  33. 3136
  34. 576
  35. 3721
  36. 9604
  37. 9216
  38. 324
  39. 7921
  40. 1089

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