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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 93 · 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. 1.73² =
  2. 2.21² =
  3. 3.34² =
  4. 4.56² =
  5. 5.21² =
  6. 6.32² =
  7. 7.43² =
  8. 8.68² =
  9. 9.39² =
  10. 10.31² =
  11. 11.53² =
  12. 12.51² =
  13. 13.91² =
  14. 14.59² =
  15. 15.35² =
  16. 16.96² =
  17. 17.41² =
  18. 18.84² =
  19. 19.14² =
  20. 20.89² =
  21. 21.14² =
  22. 22.47² =
  23. 23.99² =
  24. 24.68² =
  25. 25.87² =
  26. 26.24² =
  27. 27.66² =
  28. 28.23² =
  29. 29.21² =
  30. 30.91² =
  31. 31.31² =
  32. 32.82² =
  33. 33.27² =
  34. 34.97² =
  35. 35.21² =
  36. 36.65² =
  37. 37.27² =
  38. 38.18² =
  39. 39.47² =
  40. 40.51² =

Answer key

  1. 5329
  2. 441
  3. 1156
  4. 3136
  5. 441
  6. 1024
  7. 1849
  8. 4624
  9. 1521
  10. 961
  11. 2809
  12. 2601
  13. 8281
  14. 3481
  15. 1225
  16. 9216
  17. 1681
  18. 7056
  19. 196
  20. 7921
  21. 196
  22. 2209
  23. 9801
  24. 4624
  25. 7569
  26. 576
  27. 4356
  28. 529
  29. 441
  30. 8281
  31. 961
  32. 6724
  33. 729
  34. 9409
  35. 441
  36. 4225
  37. 729
  38. 324
  39. 2209
  40. 2601

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