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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 695 · 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. 1.33² =
  2. 2.85² =
  3. 3.42² =
  4. 4.14² =
  5. 5.39² =
  6. 6.25² =
  7. 7.19² =
  8. 8.49² =
  9. 9.22² =
  10. 10.21² =
  11. 11.84² =
  12. 12.86² =
  13. 13.47² =
  14. 14.31² =
  15. 15.64² =
  16. 16.16² =
  17. 17.91² =
  18. 18.15² =
  19. 19.12² =
  20. 20.63² =
  21. 21.51² =
  22. 22.26² =
  23. 23.45² =
  24. 24.86² =
  25. 25.38² =
  26. 26.71² =
  27. 27.24² =
  28. 28.13² =
  29. 29.41² =
  30. 30.29² =
  31. 31.19² =
  32. 32.41² =
  33. 33.15² =
  34. 34.12² =
  35. 35.24² =
  36. 36.68² =
  37. 37.97² =
  38. 38.73² =
  39. 39.92² =
  40. 40.74² =

Answer key

  1. 1089
  2. 7225
  3. 1764
  4. 196
  5. 1521
  6. 625
  7. 361
  8. 2401
  9. 484
  10. 441
  11. 7056
  12. 7396
  13. 2209
  14. 961
  15. 4096
  16. 256
  17. 8281
  18. 225
  19. 144
  20. 3969
  21. 2601
  22. 676
  23. 2025
  24. 7396
  25. 1444
  26. 5041
  27. 576
  28. 169
  29. 1681
  30. 841
  31. 361
  32. 1681
  33. 225
  34. 144
  35. 576
  36. 4624
  37. 9409
  38. 5329
  39. 8464
  40. 5476

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