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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 369 · 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. 1.84² =
  2. 2.73² =
  3. 3.73² =
  4. 4.31² =
  5. 5.91² =
  6. 6.92² =
  7. 7.35² =
  8. 8.63² =
  9. 9.69² =
  10. 10.11² =
  11. 11.11² =
  12. 12.28² =
  13. 13.93² =
  14. 14.24² =
  15. 15.48² =
  16. 16.15² =
  17. 17.89² =
  18. 18.31² =
  19. 19.38² =
  20. 20.26² =
  21. 21.89² =
  22. 22.19² =
  23. 23.32² =
  24. 24.49² =
  25. 25.77² =
  26. 26.74² =
  27. 27.54² =
  28. 28.25² =
  29. 29.44² =
  30. 30.72² =
  31. 31.52² =
  32. 32.66² =
  33. 33.61² =
  34. 34.69² =
  35. 35.57² =
  36. 36.68² =
  37. 37.13² =
  38. 38.59² =
  39. 39.47² =
  40. 40.64² =

Answer key

  1. 7056
  2. 5329
  3. 5329
  4. 961
  5. 8281
  6. 8464
  7. 1225
  8. 3969
  9. 4761
  10. 121
  11. 121
  12. 784
  13. 8649
  14. 576
  15. 2304
  16. 225
  17. 7921
  18. 961
  19. 1444
  20. 676
  21. 7921
  22. 361
  23. 1024
  24. 2401
  25. 5929
  26. 5476
  27. 2916
  28. 625
  29. 1936
  30. 5184
  31. 2704
  32. 4356
  33. 3721
  34. 4761
  35. 3249
  36. 4624
  37. 169
  38. 3481
  39. 2209
  40. 4096

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