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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 453 · 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. 1.45² =
  2. 2.74² =
  3. 3.18² =
  4. 4.33² =
  5. 5.25² =
  6. 6.56² =
  7. 7.15² =
  8. 8.56² =
  9. 9.71² =
  10. 10.92² =
  11. 11.82² =
  12. 12.61² =
  13. 13.24² =
  14. 14.26² =
  15. 15.93² =
  16. 16.21² =
  17. 17.42² =
  18. 18.35² =
  19. 19.97² =
  20. 20.16² =
  21. 21.61² =
  22. 22.65² =
  23. 23.99² =
  24. 24.18² =
  25. 25.29² =
  26. 26.81² =
  27. 27.77² =
  28. 28.31² =
  29. 29.16² =
  30. 30.89² =
  31. 31.66² =
  32. 32.19² =
  33. 33.41² =
  34. 34.44² =
  35. 35.52² =
  36. 36.45² =
  37. 37.61² =
  38. 38.37² =
  39. 39.14² =
  40. 40.12² =

Answer key

  1. 2025
  2. 5476
  3. 324
  4. 1089
  5. 625
  6. 3136
  7. 225
  8. 3136
  9. 5041
  10. 8464
  11. 6724
  12. 3721
  13. 576
  14. 676
  15. 8649
  16. 441
  17. 1764
  18. 1225
  19. 9409
  20. 256
  21. 3721
  22. 4225
  23. 9801
  24. 324
  25. 841
  26. 6561
  27. 5929
  28. 961
  29. 256
  30. 7921
  31. 4356
  32. 361
  33. 1681
  34. 1936
  35. 2704
  36. 2025
  37. 3721
  38. 1369
  39. 196
  40. 144

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