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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 805 · 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. 1.59² =
  2. 2.52² =
  3. 3.86² =
  4. 4.15² =
  5. 5.89² =
  6. 6.21² =
  7. 7.88² =
  8. 8.34² =
  9. 9.64² =
  10. 10.97² =
  11. 11.83² =
  12. 12.85² =
  13. 13.31² =
  14. 14.43² =
  15. 15.73² =
  16. 16.15² =
  17. 17.21² =
  18. 18.51² =
  19. 19.14² =
  20. 20.97² =
  21. 21.12² =
  22. 22.16² =
  23. 23.17² =
  24. 24.18² =
  25. 25.28² =
  26. 26.28² =
  27. 27.94² =
  28. 28.92² =
  29. 29.92² =
  30. 30.87² =
  31. 31.89² =
  32. 32.36² =
  33. 33.95² =
  34. 34.97² =
  35. 35.37² =
  36. 36.64² =
  37. 37.75² =
  38. 38.38² =
  39. 39.41² =
  40. 40.67² =

Answer key

  1. 3481
  2. 2704
  3. 7396
  4. 225
  5. 7921
  6. 441
  7. 7744
  8. 1156
  9. 4096
  10. 9409
  11. 6889
  12. 7225
  13. 961
  14. 1849
  15. 5329
  16. 225
  17. 441
  18. 2601
  19. 196
  20. 9409
  21. 144
  22. 256
  23. 289
  24. 324
  25. 784
  26. 784
  27. 8836
  28. 8464
  29. 8464
  30. 7569
  31. 7921
  32. 1296
  33. 9025
  34. 9409
  35. 1369
  36. 4096
  37. 5625
  38. 1444
  39. 1681
  40. 4489

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