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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 555 · 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. 1.17² =
  2. 2.13² =
  3. 3.19² =
  4. 4.61² =
  5. 5.61² =
  6. 6.36² =
  7. 7.29² =
  8. 8.63² =
  9. 9.84² =
  10. 10.68² =
  11. 11.19² =
  12. 12.89² =
  13. 13.73² =
  14. 14.11² =
  15. 15.81² =
  16. 16.74² =
  17. 17.88² =
  18. 18.73² =
  19. 19.99² =
  20. 20.72² =
  21. 21.45² =
  22. 22.61² =
  23. 23.23² =
  24. 24.22² =
  25. 25.64² =
  26. 26.64² =
  27. 27.13² =
  28. 28.97² =
  29. 29.62² =
  30. 30.53² =
  31. 31.17² =
  32. 32.71² =
  33. 33.14² =
  34. 34.36² =
  35. 35.42² =
  36. 36.93² =
  37. 37.43² =
  38. 38.35² =
  39. 39.28² =
  40. 40.91² =

Answer key

  1. 289
  2. 169
  3. 361
  4. 3721
  5. 3721
  6. 1296
  7. 841
  8. 3969
  9. 7056
  10. 4624
  11. 361
  12. 7921
  13. 5329
  14. 121
  15. 6561
  16. 5476
  17. 7744
  18. 5329
  19. 9801
  20. 5184
  21. 2025
  22. 3721
  23. 529
  24. 484
  25. 4096
  26. 4096
  27. 169
  28. 9409
  29. 3844
  30. 2809
  31. 289
  32. 5041
  33. 196
  34. 1296
  35. 1764
  36. 8649
  37. 1849
  38. 1225
  39. 784
  40. 8281

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