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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 318 · 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. 2.47² =
  3. 3.84² =
  4. 4.49² =
  5. 5.81² =
  6. 6.18² =
  7. 7.59² =
  8. 8.46² =
  9. 9.97² =
  10. 10.41² =
  11. 11.84² =
  12. 12.38² =
  13. 13.76² =
  14. 14.31² =
  15. 15.62² =
  16. 16.71² =
  17. 17.22² =
  18. 18.17² =
  19. 19.36² =
  20. 20.19² =
  21. 21.67² =
  22. 22.33² =
  23. 23.29² =
  24. 24.85² =
  25. 25.73² =
  26. 26.81² =
  27. 27.41² =
  28. 28.13² =
  29. 29.22² =
  30. 30.17² =
  31. 31.93² =
  32. 32.25² =
  33. 33.96² =
  34. 34.31² =
  35. 35.26² =
  36. 36.41² =
  37. 37.24² =
  38. 38.91² =
  39. 39.68² =
  40. 40.32² =

Answer key

  1. 3969
  2. 2209
  3. 7056
  4. 2401
  5. 6561
  6. 324
  7. 3481
  8. 2116
  9. 9409
  10. 1681
  11. 7056
  12. 1444
  13. 5776
  14. 961
  15. 3844
  16. 5041
  17. 484
  18. 289
  19. 1296
  20. 361
  21. 4489
  22. 1089
  23. 841
  24. 7225
  25. 5329
  26. 6561
  27. 1681
  28. 169
  29. 484
  30. 289
  31. 8649
  32. 625
  33. 9216
  34. 961
  35. 676
  36. 1681
  37. 576
  38. 8281
  39. 4624
  40. 1024

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