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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 282 · 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. 1.81² =
  2. 2.37² =
  3. 3.51² =
  4. 4.44² =
  5. 5.79² =
  6. 6.34² =
  7. 7.75² =
  8. 8.25² =
  9. 9.36² =
  10. 10.64² =
  11. 11.71² =
  12. 12.77² =
  13. 13.74² =
  14. 14.16² =
  15. 15.64² =
  16. 16.43² =
  17. 17.43² =
  18. 18.27² =
  19. 19.31² =
  20. 20.19² =
  21. 21.17² =
  22. 22.51² =
  23. 23.93² =
  24. 24.81² =
  25. 25.58² =
  26. 26.81² =
  27. 27.36² =
  28. 28.76² =
  29. 29.34² =
  30. 30.23² =
  31. 31.58² =
  32. 32.47² =
  33. 33.29² =
  34. 34.77² =
  35. 35.76² =
  36. 36.96² =
  37. 37.52² =
  38. 38.15² =
  39. 39.72² =
  40. 40.19² =

Answer key

  1. 6561
  2. 1369
  3. 2601
  4. 1936
  5. 6241
  6. 1156
  7. 5625
  8. 625
  9. 1296
  10. 4096
  11. 5041
  12. 5929
  13. 5476
  14. 256
  15. 4096
  16. 1849
  17. 1849
  18. 729
  19. 961
  20. 361
  21. 289
  22. 2601
  23. 8649
  24. 6561
  25. 3364
  26. 6561
  27. 1296
  28. 5776
  29. 1156
  30. 529
  31. 3364
  32. 2209
  33. 841
  34. 5929
  35. 5776
  36. 9216
  37. 2704
  38. 225
  39. 5184
  40. 361

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