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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 816 · 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. 1.41² =
  2. 2.38² =
  3. 3.48² =
  4. 4.19² =
  5. 5.53² =
  6. 6.39² =
  7. 7.64² =
  8. 8.15² =
  9. 9.58² =
  10. 10.97² =
  11. 11.36² =
  12. 12.97² =
  13. 13.78² =
  14. 14.68² =
  15. 15.64² =
  16. 16.82² =
  17. 17.26² =
  18. 18.48² =
  19. 19.15² =
  20. 20.18² =
  21. 21.86² =
  22. 22.96² =
  23. 23.14² =
  24. 24.19² =
  25. 25.41² =
  26. 26.97² =
  27. 27.91² =
  28. 28.25² =
  29. 29.31² =
  30. 30.76² =
  31. 31.84² =
  32. 32.44² =
  33. 33.24² =
  34. 34.31² =
  35. 35.21² =
  36. 36.15² =
  37. 37.31² =
  38. 38.99² =
  39. 39.36² =
  40. 40.32² =

Answer key

  1. 1681
  2. 1444
  3. 2304
  4. 361
  5. 2809
  6. 1521
  7. 4096
  8. 225
  9. 3364
  10. 9409
  11. 1296
  12. 9409
  13. 6084
  14. 4624
  15. 4096
  16. 6724
  17. 676
  18. 2304
  19. 225
  20. 324
  21. 7396
  22. 9216
  23. 196
  24. 361
  25. 1681
  26. 9409
  27. 8281
  28. 625
  29. 961
  30. 5776
  31. 7056
  32. 1936
  33. 576
  34. 961
  35. 441
  36. 225
  37. 961
  38. 9801
  39. 1296
  40. 1024

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