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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 660 · 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. 1.76² =
  2. 2.85² =
  3. 3.23² =
  4. 4.58² =
  5. 5.47² =
  6. 6.22² =
  7. 7.21² =
  8. 8.76² =
  9. 9.83² =
  10. 10.65² =
  11. 11.91² =
  12. 12.48² =
  13. 13.78² =
  14. 14.36² =
  15. 15.76² =
  16. 16.79² =
  17. 17.86² =
  18. 18.15² =
  19. 19.12² =
  20. 20.53² =
  21. 21.17² =
  22. 22.33² =
  23. 23.35² =
  24. 24.41² =
  25. 25.51² =
  26. 26.61² =
  27. 27.32² =
  28. 28.97² =
  29. 29.15² =
  30. 30.43² =
  31. 31.85² =
  32. 32.22² =
  33. 33.62² =
  34. 34.17² =
  35. 35.39² =
  36. 36.64² =
  37. 37.72² =
  38. 38.63² =
  39. 39.31² =
  40. 40.97² =

Answer key

  1. 5776
  2. 7225
  3. 529
  4. 3364
  5. 2209
  6. 484
  7. 441
  8. 5776
  9. 6889
  10. 4225
  11. 8281
  12. 2304
  13. 6084
  14. 1296
  15. 5776
  16. 6241
  17. 7396
  18. 225
  19. 144
  20. 2809
  21. 289
  22. 1089
  23. 1225
  24. 1681
  25. 2601
  26. 3721
  27. 1024
  28. 9409
  29. 225
  30. 1849
  31. 7225
  32. 484
  33. 3844
  34. 289
  35. 1521
  36. 4096
  37. 5184
  38. 3969
  39. 961
  40. 9409

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