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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 763 · 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. 2.87² =
  3. 3.46² =
  4. 4.44² =
  5. 5.86² =
  6. 6.97² =
  7. 7.89² =
  8. 8.65² =
  9. 9.63² =
  10. 10.62² =
  11. 11.27² =
  12. 12.12² =
  13. 13.28² =
  14. 14.62² =
  15. 15.83² =
  16. 16.42² =
  17. 17.79² =
  18. 18.98² =
  19. 19.61² =
  20. 20.17² =
  21. 21.37² =
  22. 22.37² =
  23. 23.48² =
  24. 24.92² =
  25. 25.76² =
  26. 26.41² =
  27. 27.21² =
  28. 28.55² =
  29. 29.29² =
  30. 30.55² =
  31. 31.71² =
  32. 32.61² =
  33. 33.67² =
  34. 34.79² =
  35. 35.61² =
  36. 36.15² =
  37. 37.15² =
  38. 38.94² =
  39. 39.44² =
  40. 40.83² =

Answer key

  1. 3969
  2. 7569
  3. 2116
  4. 1936
  5. 7396
  6. 9409
  7. 7921
  8. 4225
  9. 3969
  10. 3844
  11. 729
  12. 144
  13. 784
  14. 3844
  15. 6889
  16. 1764
  17. 6241
  18. 9604
  19. 3721
  20. 289
  21. 1369
  22. 1369
  23. 2304
  24. 8464
  25. 5776
  26. 1681
  27. 441
  28. 3025
  29. 841
  30. 3025
  31. 5041
  32. 3721
  33. 4489
  34. 6241
  35. 3721
  36. 225
  37. 225
  38. 8836
  39. 1936
  40. 6889

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