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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 447 · 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. 1.73² =
  2. 2.29² =
  3. 3.13² =
  4. 4.95² =
  5. 5.85² =
  6. 6.41² =
  7. 7.68² =
  8. 8.95² =
  9. 9.65² =
  10. 10.95² =
  11. 11.65² =
  12. 12.78² =
  13. 13.85² =
  14. 14.39² =
  15. 15.49² =
  16. 16.11² =
  17. 17.45² =
  18. 18.75² =
  19. 19.85² =
  20. 20.97² =
  21. 21.34² =
  22. 22.22² =
  23. 23.29² =
  24. 24.73² =
  25. 25.99² =
  26. 26.52² =
  27. 27.69² =
  28. 28.15² =
  29. 29.31² =
  30. 30.51² =
  31. 31.89² =
  32. 32.19² =
  33. 33.38² =
  34. 34.89² =
  35. 35.11² =
  36. 36.55² =
  37. 37.76² =
  38. 38.93² =
  39. 39.21² =
  40. 40.28² =

Answer key

  1. 5329
  2. 841
  3. 169
  4. 9025
  5. 7225
  6. 1681
  7. 4624
  8. 9025
  9. 4225
  10. 9025
  11. 4225
  12. 6084
  13. 7225
  14. 1521
  15. 2401
  16. 121
  17. 2025
  18. 5625
  19. 7225
  20. 9409
  21. 1156
  22. 484
  23. 841
  24. 5329
  25. 9801
  26. 2704
  27. 4761
  28. 225
  29. 961
  30. 2601
  31. 7921
  32. 361
  33. 1444
  34. 7921
  35. 121
  36. 3025
  37. 5776
  38. 8649
  39. 441
  40. 784

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