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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 974 · 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. 1.41² =
  2. 2.36² =
  3. 3.71² =
  4. 4.78² =
  5. 5.17² =
  6. 6.45² =
  7. 7.81² =
  8. 8.91² =
  9. 9.69² =
  10. 10.85² =
  11. 11.24² =
  12. 12.71² =
  13. 13.57² =
  14. 14.27² =
  15. 15.71² =
  16. 16.22² =
  17. 17.57² =
  18. 18.12² =
  19. 19.73² =
  20. 20.56² =
  21. 21.71² =
  22. 22.77² =
  23. 23.37² =
  24. 24.18² =
  25. 25.74² =
  26. 26.25² =
  27. 27.38² =
  28. 28.97² =
  29. 29.17² =
  30. 30.29² =
  31. 31.68² =
  32. 32.31² =
  33. 33.67² =
  34. 34.23² =
  35. 35.65² =
  36. 36.19² =
  37. 37.33² =
  38. 38.76² =
  39. 39.59² =
  40. 40.87² =

Answer key

  1. 1681
  2. 1296
  3. 5041
  4. 6084
  5. 289
  6. 2025
  7. 6561
  8. 8281
  9. 4761
  10. 7225
  11. 576
  12. 5041
  13. 3249
  14. 729
  15. 5041
  16. 484
  17. 3249
  18. 144
  19. 5329
  20. 3136
  21. 5041
  22. 5929
  23. 1369
  24. 324
  25. 5476
  26. 625
  27. 1444
  28. 9409
  29. 289
  30. 841
  31. 4624
  32. 961
  33. 4489
  34. 529
  35. 4225
  36. 361
  37. 1089
  38. 5776
  39. 3481
  40. 7569

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