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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 714 · 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. 1.82² =
  2. 2.11² =
  3. 3.93² =
  4. 4.83² =
  5. 5.56² =
  6. 6.28² =
  7. 7.47² =
  8. 8.15² =
  9. 9.96² =
  10. 10.91² =
  11. 11.78² =
  12. 12.21² =
  13. 13.58² =
  14. 14.14² =
  15. 15.24² =
  16. 16.61² =
  17. 17.48² =
  18. 18.94² =
  19. 19.91² =
  20. 20.19² =
  21. 21.56² =
  22. 22.97² =
  23. 23.32² =
  24. 24.87² =
  25. 25.26² =
  26. 26.57² =
  27. 27.33² =
  28. 28.31² =
  29. 29.21² =
  30. 30.85² =
  31. 31.78² =
  32. 32.92² =
  33. 33.32² =
  34. 34.34² =
  35. 35.39² =
  36. 36.41² =
  37. 37.61² =
  38. 38.55² =
  39. 39.24² =
  40. 40.93² =

Answer key

  1. 6724
  2. 121
  3. 8649
  4. 6889
  5. 3136
  6. 784
  7. 2209
  8. 225
  9. 9216
  10. 8281
  11. 6084
  12. 441
  13. 3364
  14. 196
  15. 576
  16. 3721
  17. 2304
  18. 8836
  19. 8281
  20. 361
  21. 3136
  22. 9409
  23. 1024
  24. 7569
  25. 676
  26. 3249
  27. 1089
  28. 961
  29. 441
  30. 7225
  31. 6084
  32. 8464
  33. 1024
  34. 1156
  35. 1521
  36. 1681
  37. 3721
  38. 3025
  39. 576
  40. 8649

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