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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 922 · 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. 1.29² =
  2. 2.37² =
  3. 3.79² =
  4. 4.64² =
  5. 5.61² =
  6. 6.86² =
  7. 7.21² =
  8. 8.31² =
  9. 9.44² =
  10. 10.72² =
  11. 11.89² =
  12. 12.17² =
  13. 13.71² =
  14. 14.35² =
  15. 15.35² =
  16. 16.51² =
  17. 17.78² =
  18. 18.18² =
  19. 19.79² =
  20. 20.89² =
  21. 21.99² =
  22. 22.88² =
  23. 23.73² =
  24. 24.97² =
  25. 25.31² =
  26. 26.35² =
  27. 27.66² =
  28. 28.75² =
  29. 29.21² =
  30. 30.15² =
  31. 31.31² =
  32. 32.56² =
  33. 33.96² =
  34. 34.12² =
  35. 35.61² =
  36. 36.56² =
  37. 37.34² =
  38. 38.73² =
  39. 39.99² =
  40. 40.54² =

Answer key

  1. 841
  2. 1369
  3. 6241
  4. 4096
  5. 3721
  6. 7396
  7. 441
  8. 961
  9. 1936
  10. 5184
  11. 7921
  12. 289
  13. 5041
  14. 1225
  15. 1225
  16. 2601
  17. 6084
  18. 324
  19. 6241
  20. 7921
  21. 9801
  22. 7744
  23. 5329
  24. 9409
  25. 961
  26. 1225
  27. 4356
  28. 5625
  29. 441
  30. 225
  31. 961
  32. 3136
  33. 9216
  34. 144
  35. 3721
  36. 3136
  37. 1156
  38. 5329
  39. 9801
  40. 2916

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