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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 604 · 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. 1.86² =
  2. 2.13² =
  3. 3.89² =
  4. 4.27² =
  5. 5.25² =
  6. 6.31² =
  7. 7.29² =
  8. 8.54² =
  9. 9.71² =
  10. 10.23² =
  11. 11.35² =
  12. 12.81² =
  13. 13.61² =
  14. 14.59² =
  15. 15.21² =
  16. 16.71² =
  17. 17.56² =
  18. 18.97² =
  19. 19.91² =
  20. 20.43² =
  21. 21.41² =
  22. 22.31² =
  23. 23.22² =
  24. 24.41² =
  25. 25.92² =
  26. 26.63² =
  27. 27.29² =
  28. 28.24² =
  29. 29.41² =
  30. 30.33² =
  31. 31.13² =
  32. 32.71² =
  33. 33.22² =
  34. 34.46² =
  35. 35.59² =
  36. 36.71² =
  37. 37.26² =
  38. 38.28² =
  39. 39.99² =
  40. 40.43² =

Answer key

  1. 7396
  2. 169
  3. 7921
  4. 729
  5. 625
  6. 961
  7. 841
  8. 2916
  9. 5041
  10. 529
  11. 1225
  12. 6561
  13. 3721
  14. 3481
  15. 441
  16. 5041
  17. 3136
  18. 9409
  19. 8281
  20. 1849
  21. 1681
  22. 961
  23. 484
  24. 1681
  25. 8464
  26. 3969
  27. 841
  28. 576
  29. 1681
  30. 1089
  31. 169
  32. 5041
  33. 484
  34. 2116
  35. 3481
  36. 5041
  37. 676
  38. 784
  39. 9801
  40. 1849

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