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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 258 · 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. 2.42² =
  3. 3.75² =
  4. 4.89² =
  5. 5.93² =
  6. 6.43² =
  7. 7.22² =
  8. 8.22² =
  9. 9.37² =
  10. 10.42² =
  11. 11.48² =
  12. 12.35² =
  13. 13.47² =
  14. 14.81² =
  15. 15.11² =
  16. 16.21² =
  17. 17.66² =
  18. 18.99² =
  19. 19.31² =
  20. 20.63² =
  21. 21.95² =
  22. 22.36² =
  23. 23.76² =
  24. 24.33² =
  25. 25.96² =
  26. 26.34² =
  27. 27.76² =
  28. 28.81² =
  29. 29.74² =
  30. 30.19² =
  31. 31.57² =
  32. 32.81² =
  33. 33.78² =
  34. 34.12² =
  35. 35.83² =
  36. 36.58² =
  37. 37.38² =
  38. 38.45² =
  39. 39.83² =
  40. 40.31² =

Answer key

  1. 4489
  2. 1764
  3. 5625
  4. 7921
  5. 8649
  6. 1849
  7. 484
  8. 484
  9. 1369
  10. 1764
  11. 2304
  12. 1225
  13. 2209
  14. 6561
  15. 121
  16. 441
  17. 4356
  18. 9801
  19. 961
  20. 3969
  21. 9025
  22. 1296
  23. 5776
  24. 1089
  25. 9216
  26. 1156
  27. 5776
  28. 6561
  29. 5476
  30. 361
  31. 3249
  32. 6561
  33. 6084
  34. 144
  35. 6889
  36. 3364
  37. 1444
  38. 2025
  39. 6889
  40. 961

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