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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 164 · 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. 1.67² =
  2. 2.44² =
  3. 3.14² =
  4. 4.33² =
  5. 5.73² =
  6. 6.44² =
  7. 7.65² =
  8. 8.27² =
  9. 9.71² =
  10. 10.84² =
  11. 11.61² =
  12. 12.87² =
  13. 13.21² =
  14. 14.32² =
  15. 15.36² =
  16. 16.44² =
  17. 17.99² =
  18. 18.19² =
  19. 19.25² =
  20. 20.69² =
  21. 21.17² =
  22. 22.27² =
  23. 23.54² =
  24. 24.72² =
  25. 25.12² =
  26. 26.99² =
  27. 27.33² =
  28. 28.83² =
  29. 29.93² =
  30. 30.76² =
  31. 31.65² =
  32. 32.98² =
  33. 33.25² =
  34. 34.92² =
  35. 35.11² =
  36. 36.82² =
  37. 37.46² =
  38. 38.67² =
  39. 39.23² =
  40. 40.31² =

Answer key

  1. 4489
  2. 1936
  3. 196
  4. 1089
  5. 5329
  6. 1936
  7. 4225
  8. 729
  9. 5041
  10. 7056
  11. 3721
  12. 7569
  13. 441
  14. 1024
  15. 1296
  16. 1936
  17. 9801
  18. 361
  19. 625
  20. 4761
  21. 289
  22. 729
  23. 2916
  24. 5184
  25. 144
  26. 9801
  27. 1089
  28. 6889
  29. 8649
  30. 5776
  31. 4225
  32. 9604
  33. 625
  34. 8464
  35. 121
  36. 6724
  37. 2116
  38. 4489
  39. 529
  40. 961

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