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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 183 · 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. 1.33² =
  2. 2.93² =
  3. 3.61² =
  4. 4.97² =
  5. 5.21² =
  6. 6.31² =
  7. 7.25² =
  8. 8.21² =
  9. 9.52² =
  10. 10.59² =
  11. 11.87² =
  12. 12.13² =
  13. 13.42² =
  14. 14.38² =
  15. 15.83² =
  16. 16.59² =
  17. 17.29² =
  18. 18.59² =
  19. 19.81² =
  20. 20.31² =
  21. 21.73² =
  22. 22.31² =
  23. 23.26² =
  24. 24.84² =
  25. 25.53² =
  26. 26.89² =
  27. 27.41² =
  28. 28.19² =
  29. 29.93² =
  30. 30.56² =
  31. 31.73² =
  32. 32.47² =
  33. 33.87² =
  34. 34.24² =
  35. 35.51² =
  36. 36.91² =
  37. 37.67² =
  38. 38.19² =
  39. 39.17² =
  40. 40.59² =

Answer key

  1. 1089
  2. 8649
  3. 3721
  4. 9409
  5. 441
  6. 961
  7. 625
  8. 441
  9. 2704
  10. 3481
  11. 7569
  12. 169
  13. 1764
  14. 1444
  15. 6889
  16. 3481
  17. 841
  18. 3481
  19. 6561
  20. 961
  21. 5329
  22. 961
  23. 676
  24. 7056
  25. 2809
  26. 7921
  27. 1681
  28. 361
  29. 8649
  30. 3136
  31. 5329
  32. 2209
  33. 7569
  34. 576
  35. 2601
  36. 8281
  37. 4489
  38. 361
  39. 289
  40. 3481

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