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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 422 · 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. 2.48² =
  3. 3.93² =
  4. 4.23² =
  5. 5.11² =
  6. 6.16² =
  7. 7.19² =
  8. 8.39² =
  9. 9.61² =
  10. 10.31² =
  11. 11.93² =
  12. 12.76² =
  13. 13.17² =
  14. 14.17² =
  15. 15.51² =
  16. 16.89² =
  17. 17.85² =
  18. 18.72² =
  19. 19.18² =
  20. 20.28² =
  21. 21.89² =
  22. 22.41² =
  23. 23.41² =
  24. 24.87² =
  25. 25.25² =
  26. 26.97² =
  27. 27.62² =
  28. 28.91² =
  29. 29.74² =
  30. 30.57² =
  31. 31.36² =
  32. 32.44² =
  33. 33.38² =
  34. 34.35² =
  35. 35.15² =
  36. 36.88² =
  37. 37.47² =
  38. 38.68² =
  39. 39.85² =
  40. 40.14² =

Answer key

  1. 9801
  2. 2304
  3. 8649
  4. 529
  5. 121
  6. 256
  7. 361
  8. 1521
  9. 3721
  10. 961
  11. 8649
  12. 5776
  13. 289
  14. 289
  15. 2601
  16. 7921
  17. 7225
  18. 5184
  19. 324
  20. 784
  21. 7921
  22. 1681
  23. 1681
  24. 7569
  25. 625
  26. 9409
  27. 3844
  28. 8281
  29. 5476
  30. 3249
  31. 1296
  32. 1936
  33. 1444
  34. 1225
  35. 225
  36. 7744
  37. 2209
  38. 4624
  39. 7225
  40. 196

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