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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 440 · 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. 1.81² =
  2. 2.95² =
  3. 3.52² =
  4. 4.36² =
  5. 5.57² =
  6. 6.75² =
  7. 7.21² =
  8. 8.35² =
  9. 9.33² =
  10. 10.56² =
  11. 11.79² =
  12. 12.73² =
  13. 13.91² =
  14. 14.37² =
  15. 15.15² =
  16. 16.52² =
  17. 17.39² =
  18. 18.17² =
  19. 19.81² =
  20. 20.92² =
  21. 21.32² =
  22. 22.11² =
  23. 23.69² =
  24. 24.99² =
  25. 25.81² =
  26. 26.82² =
  27. 27.96² =
  28. 28.19² =
  29. 29.19² =
  30. 30.61² =
  31. 31.81² =
  32. 32.95² =
  33. 33.68² =
  34. 34.27² =
  35. 35.12² =
  36. 36.15² =
  37. 37.91² =
  38. 38.51² =
  39. 39.48² =
  40. 40.61² =

Answer key

  1. 6561
  2. 9025
  3. 2704
  4. 1296
  5. 3249
  6. 5625
  7. 441
  8. 1225
  9. 1089
  10. 3136
  11. 6241
  12. 5329
  13. 8281
  14. 1369
  15. 225
  16. 2704
  17. 1521
  18. 289
  19. 6561
  20. 8464
  21. 1024
  22. 121
  23. 4761
  24. 9801
  25. 6561
  26. 6724
  27. 9216
  28. 361
  29. 361
  30. 3721
  31. 6561
  32. 9025
  33. 4624
  34. 729
  35. 144
  36. 225
  37. 8281
  38. 2601
  39. 2304
  40. 3721

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