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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 460 · 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. 1.54² =
  2. 2.79² =
  3. 3.75² =
  4. 4.79² =
  5. 5.78² =
  6. 6.77² =
  7. 7.66² =
  8. 8.17² =
  9. 9.24² =
  10. 10.91² =
  11. 11.16² =
  12. 12.28² =
  13. 13.56² =
  14. 14.25² =
  15. 15.75² =
  16. 16.35² =
  17. 17.76² =
  18. 18.43² =
  19. 19.83² =
  20. 20.61² =
  21. 21.75² =
  22. 22.74² =
  23. 23.24² =
  24. 24.21² =
  25. 25.45² =
  26. 26.37² =
  27. 27.24² =
  28. 28.19² =
  29. 29.69² =
  30. 30.25² =
  31. 31.75² =
  32. 32.82² =
  33. 33.91² =
  34. 34.21² =
  35. 35.34² =
  36. 36.77² =
  37. 37.36² =
  38. 38.21² =
  39. 39.44² =
  40. 40.89² =

Answer key

  1. 2916
  2. 6241
  3. 5625
  4. 6241
  5. 6084
  6. 5929
  7. 4356
  8. 289
  9. 576
  10. 8281
  11. 256
  12. 784
  13. 3136
  14. 625
  15. 5625
  16. 1225
  17. 5776
  18. 1849
  19. 6889
  20. 3721
  21. 5625
  22. 5476
  23. 576
  24. 441
  25. 2025
  26. 1369
  27. 576
  28. 361
  29. 4761
  30. 625
  31. 5625
  32. 6724
  33. 8281
  34. 441
  35. 1156
  36. 5929
  37. 1296
  38. 441
  39. 1936
  40. 7921

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