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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 985 · 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. 1.46² =
  2. 2.83² =
  3. 3.41² =
  4. 4.12² =
  5. 5.23² =
  6. 6.15² =
  7. 7.71² =
  8. 8.42² =
  9. 9.69² =
  10. 10.49² =
  11. 11.88² =
  12. 12.99² =
  13. 13.25² =
  14. 14.35² =
  15. 15.44² =
  16. 16.18² =
  17. 17.41² =
  18. 18.55² =
  19. 19.61² =
  20. 20.21² =
  21. 21.48² =
  22. 22.84² =
  23. 23.27² =
  24. 24.62² =
  25. 25.37² =
  26. 26.41² =
  27. 27.76² =
  28. 28.85² =
  29. 29.74² =
  30. 30.75² =
  31. 31.94² =
  32. 32.23² =
  33. 33.28² =
  34. 34.28² =
  35. 35.86² =
  36. 36.12² =
  37. 37.72² =
  38. 38.87² =
  39. 39.64² =
  40. 40.65² =

Answer key

  1. 2116
  2. 6889
  3. 1681
  4. 144
  5. 529
  6. 225
  7. 5041
  8. 1764
  9. 4761
  10. 2401
  11. 7744
  12. 9801
  13. 625
  14. 1225
  15. 1936
  16. 324
  17. 1681
  18. 3025
  19. 3721
  20. 441
  21. 2304
  22. 7056
  23. 729
  24. 3844
  25. 1369
  26. 1681
  27. 5776
  28. 7225
  29. 5476
  30. 5625
  31. 8836
  32. 529
  33. 784
  34. 784
  35. 7396
  36. 144
  37. 5184
  38. 7569
  39. 4096
  40. 4225

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