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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 777 · 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. 1.72² =
  2. 2.11² =
  3. 3.47² =
  4. 4.35² =
  5. 5.17² =
  6. 6.29² =
  7. 7.25² =
  8. 8.75² =
  9. 9.28² =
  10. 10.22² =
  11. 11.19² =
  12. 12.66² =
  13. 13.96² =
  14. 14.28² =
  15. 15.41² =
  16. 16.69² =
  17. 17.46² =
  18. 18.92² =
  19. 19.91² =
  20. 20.18² =
  21. 21.25² =
  22. 22.53² =
  23. 23.49² =
  24. 24.28² =
  25. 25.66² =
  26. 26.97² =
  27. 27.48² =
  28. 28.66² =
  29. 29.98² =
  30. 30.89² =
  31. 31.57² =
  32. 32.27² =
  33. 33.94² =
  34. 34.17² =
  35. 35.94² =
  36. 36.17² =
  37. 37.83² =
  38. 38.35² =
  39. 39.75² =
  40. 40.79² =

Answer key

  1. 5184
  2. 121
  3. 2209
  4. 1225
  5. 289
  6. 841
  7. 625
  8. 5625
  9. 784
  10. 484
  11. 361
  12. 4356
  13. 9216
  14. 784
  15. 1681
  16. 4761
  17. 2116
  18. 8464
  19. 8281
  20. 324
  21. 625
  22. 2809
  23. 2401
  24. 784
  25. 4356
  26. 9409
  27. 2304
  28. 4356
  29. 9604
  30. 7921
  31. 3249
  32. 729
  33. 8836
  34. 289
  35. 8836
  36. 289
  37. 6889
  38. 1225
  39. 5625
  40. 6241

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