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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 399 · 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. 1.29² =
  2. 2.66² =
  3. 3.61² =
  4. 4.21² =
  5. 5.54² =
  6. 6.33² =
  7. 7.62² =
  8. 8.37² =
  9. 9.92² =
  10. 10.16² =
  11. 11.95² =
  12. 12.53² =
  13. 13.44² =
  14. 14.12² =
  15. 15.45² =
  16. 16.67² =
  17. 17.49² =
  18. 18.24² =
  19. 19.35² =
  20. 20.76² =
  21. 21.93² =
  22. 22.61² =
  23. 23.66² =
  24. 24.59² =
  25. 25.17² =
  26. 26.81² =
  27. 27.27² =
  28. 28.81² =
  29. 29.31² =
  30. 30.93² =
  31. 31.26² =
  32. 32.26² =
  33. 33.11² =
  34. 34.12² =
  35. 35.96² =
  36. 36.69² =
  37. 37.28² =
  38. 38.25² =
  39. 39.45² =
  40. 40.77² =

Answer key

  1. 841
  2. 4356
  3. 3721
  4. 441
  5. 2916
  6. 1089
  7. 3844
  8. 1369
  9. 8464
  10. 256
  11. 9025
  12. 2809
  13. 1936
  14. 144
  15. 2025
  16. 4489
  17. 2401
  18. 576
  19. 1225
  20. 5776
  21. 8649
  22. 3721
  23. 4356
  24. 3481
  25. 289
  26. 6561
  27. 729
  28. 6561
  29. 961
  30. 8649
  31. 676
  32. 676
  33. 121
  34. 144
  35. 9216
  36. 4761
  37. 784
  38. 625
  39. 2025
  40. 5929

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