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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 792 · 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. 1.63² =
  2. 2.51² =
  3. 3.82² =
  4. 4.49² =
  5. 5.75² =
  6. 6.18² =
  7. 7.61² =
  8. 8.18² =
  9. 9.19² =
  10. 10.16² =
  11. 11.19² =
  12. 12.76² =
  13. 13.99² =
  14. 14.64² =
  15. 15.42² =
  16. 16.43² =
  17. 17.28² =
  18. 18.63² =
  19. 19.84² =
  20. 20.13² =
  21. 21.33² =
  22. 22.67² =
  23. 23.82² =
  24. 24.15² =
  25. 25.81² =
  26. 26.94² =
  27. 27.71² =
  28. 28.13² =
  29. 29.49² =
  30. 30.73² =
  31. 31.45² =
  32. 32.12² =
  33. 33.87² =
  34. 34.68² =
  35. 35.52² =
  36. 36.97² =
  37. 37.95² =
  38. 38.44² =
  39. 39.72² =
  40. 40.39² =

Answer key

  1. 3969
  2. 2601
  3. 6724
  4. 2401
  5. 5625
  6. 324
  7. 3721
  8. 324
  9. 361
  10. 256
  11. 361
  12. 5776
  13. 9801
  14. 4096
  15. 1764
  16. 1849
  17. 784
  18. 3969
  19. 7056
  20. 169
  21. 1089
  22. 4489
  23. 6724
  24. 225
  25. 6561
  26. 8836
  27. 5041
  28. 169
  29. 2401
  30. 5329
  31. 2025
  32. 144
  33. 7569
  34. 4624
  35. 2704
  36. 9409
  37. 9025
  38. 1936
  39. 5184
  40. 1521

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