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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 386 · 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. 1.99² =
  2. 2.61² =
  3. 3.91² =
  4. 4.88² =
  5. 5.77² =
  6. 6.58² =
  7. 7.78² =
  8. 8.11² =
  9. 9.19² =
  10. 10.36² =
  11. 11.88² =
  12. 12.42² =
  13. 13.96² =
  14. 14.64² =
  15. 15.28² =
  16. 16.38² =
  17. 17.46² =
  18. 18.84² =
  19. 19.21² =
  20. 20.76² =
  21. 21.47² =
  22. 22.48² =
  23. 23.32² =
  24. 24.32² =
  25. 25.41² =
  26. 26.61² =
  27. 27.46² =
  28. 28.66² =
  29. 29.42² =
  30. 30.82² =
  31. 31.38² =
  32. 32.98² =
  33. 33.56² =
  34. 34.68² =
  35. 35.12² =
  36. 36.51² =
  37. 37.32² =
  38. 38.82² =
  39. 39.67² =
  40. 40.63² =

Answer key

  1. 9801
  2. 3721
  3. 8281
  4. 7744
  5. 5929
  6. 3364
  7. 6084
  8. 121
  9. 361
  10. 1296
  11. 7744
  12. 1764
  13. 9216
  14. 4096
  15. 784
  16. 1444
  17. 2116
  18. 7056
  19. 441
  20. 5776
  21. 2209
  22. 2304
  23. 1024
  24. 1024
  25. 1681
  26. 3721
  27. 2116
  28. 4356
  29. 1764
  30. 6724
  31. 1444
  32. 9604
  33. 3136
  34. 4624
  35. 144
  36. 2601
  37. 1024
  38. 6724
  39. 4489
  40. 3969

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