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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 394 · 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. 1.15² =
  2. 2.92² =
  3. 3.89² =
  4. 4.52² =
  5. 5.97² =
  6. 6.71² =
  7. 7.74² =
  8. 8.81² =
  9. 9.73² =
  10. 10.92² =
  11. 11.88² =
  12. 12.31² =
  13. 13.81² =
  14. 14.46² =
  15. 15.26² =
  16. 16.11² =
  17. 17.58² =
  18. 18.44² =
  19. 19.52² =
  20. 20.48² =
  21. 21.82² =
  22. 22.23² =
  23. 23.41² =
  24. 24.15² =
  25. 25.98² =
  26. 26.42² =
  27. 27.73² =
  28. 28.15² =
  29. 29.17² =
  30. 30.25² =
  31. 31.71² =
  32. 32.32² =
  33. 33.13² =
  34. 34.13² =
  35. 35.77² =
  36. 36.12² =
  37. 37.52² =
  38. 38.34² =
  39. 39.91² =
  40. 40.28² =

Answer key

  1. 225
  2. 8464
  3. 7921
  4. 2704
  5. 9409
  6. 5041
  7. 5476
  8. 6561
  9. 5329
  10. 8464
  11. 7744
  12. 961
  13. 6561
  14. 2116
  15. 676
  16. 121
  17. 3364
  18. 1936
  19. 2704
  20. 2304
  21. 6724
  22. 529
  23. 1681
  24. 225
  25. 9604
  26. 1764
  27. 5329
  28. 225
  29. 289
  30. 625
  31. 5041
  32. 1024
  33. 169
  34. 169
  35. 5929
  36. 144
  37. 2704
  38. 1156
  39. 8281
  40. 784

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