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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 108 · 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. 1.83² =
  2. 2.85² =
  3. 3.27² =
  4. 4.11² =
  5. 5.53² =
  6. 6.99² =
  7. 7.37² =
  8. 8.61² =
  9. 9.16² =
  10. 10.71² =
  11. 11.54² =
  12. 12.28² =
  13. 13.33² =
  14. 14.54² =
  15. 15.79² =
  16. 16.56² =
  17. 17.59² =
  18. 18.76² =
  19. 19.38² =
  20. 20.42² =
  21. 21.38² =
  22. 22.66² =
  23. 23.89² =
  24. 24.44² =
  25. 25.33² =
  26. 26.72² =
  27. 27.34² =
  28. 28.64² =
  29. 29.55² =
  30. 30.87² =
  31. 31.21² =
  32. 32.42² =
  33. 33.89² =
  34. 34.22² =
  35. 35.48² =
  36. 36.96² =
  37. 37.54² =
  38. 38.28² =
  39. 39.97² =
  40. 40.49² =

Answer key

  1. 6889
  2. 7225
  3. 729
  4. 121
  5. 2809
  6. 9801
  7. 1369
  8. 3721
  9. 256
  10. 5041
  11. 2916
  12. 784
  13. 1089
  14. 2916
  15. 6241
  16. 3136
  17. 3481
  18. 5776
  19. 1444
  20. 1764
  21. 1444
  22. 4356
  23. 7921
  24. 1936
  25. 1089
  26. 5184
  27. 1156
  28. 4096
  29. 3025
  30. 7569
  31. 441
  32. 1764
  33. 7921
  34. 484
  35. 2304
  36. 9216
  37. 2916
  38. 784
  39. 9409
  40. 2401

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