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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 719 · 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. 1.18² =
  2. 2.14² =
  3. 3.73² =
  4. 4.26² =
  5. 5.88² =
  6. 6.86² =
  7. 7.69² =
  8. 8.72² =
  9. 9.82² =
  10. 10.17² =
  11. 11.24² =
  12. 12.99² =
  13. 13.75² =
  14. 14.41² =
  15. 15.26² =
  16. 16.31² =
  17. 17.31² =
  18. 18.23² =
  19. 19.21² =
  20. 20.27² =
  21. 21.29² =
  22. 22.97² =
  23. 23.67² =
  24. 24.86² =
  25. 25.31² =
  26. 26.96² =
  27. 27.71² =
  28. 28.27² =
  29. 29.64² =
  30. 30.31² =
  31. 31.93² =
  32. 32.12² =
  33. 33.31² =
  34. 34.54² =
  35. 35.92² =
  36. 36.84² =
  37. 37.95² =
  38. 38.17² =
  39. 39.72² =
  40. 40.49² =

Answer key

  1. 324
  2. 196
  3. 5329
  4. 676
  5. 7744
  6. 7396
  7. 4761
  8. 5184
  9. 6724
  10. 289
  11. 576
  12. 9801
  13. 5625
  14. 1681
  15. 676
  16. 961
  17. 961
  18. 529
  19. 441
  20. 729
  21. 841
  22. 9409
  23. 4489
  24. 7396
  25. 961
  26. 9216
  27. 5041
  28. 729
  29. 4096
  30. 961
  31. 8649
  32. 144
  33. 961
  34. 2916
  35. 8464
  36. 7056
  37. 9025
  38. 289
  39. 5184
  40. 2401

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