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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 58 · 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. 1.17² =
  2. 2.42² =
  3. 3.22² =
  4. 4.51² =
  5. 5.63² =
  6. 6.18² =
  7. 7.21² =
  8. 8.49² =
  9. 9.66² =
  10. 10.22² =
  11. 11.48² =
  12. 12.19² =
  13. 13.51² =
  14. 14.34² =
  15. 15.78² =
  16. 16.77² =
  17. 17.49² =
  18. 18.19² =
  19. 19.46² =
  20. 20.63² =
  21. 21.47² =
  22. 22.77² =
  23. 23.12² =
  24. 24.43² =
  25. 25.19² =
  26. 26.55² =
  27. 27.83² =
  28. 28.99² =
  29. 29.71² =
  30. 30.91² =
  31. 31.81² =
  32. 32.85² =
  33. 33.53² =
  34. 34.12² =
  35. 35.22² =
  36. 36.15² =
  37. 37.18² =
  38. 38.29² =
  39. 39.83² =
  40. 40.55² =

Answer key

  1. 289
  2. 1764
  3. 484
  4. 2601
  5. 3969
  6. 324
  7. 441
  8. 2401
  9. 4356
  10. 484
  11. 2304
  12. 361
  13. 2601
  14. 1156
  15. 6084
  16. 5929
  17. 2401
  18. 361
  19. 2116
  20. 3969
  21. 2209
  22. 5929
  23. 144
  24. 1849
  25. 361
  26. 3025
  27. 6889
  28. 9801
  29. 5041
  30. 8281
  31. 6561
  32. 7225
  33. 2809
  34. 144
  35. 484
  36. 225
  37. 324
  38. 841
  39. 6889
  40. 3025

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