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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 880 · 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. 1.85² =
  2. 2.65² =
  3. 3.16² =
  4. 4.99² =
  5. 5.71² =
  6. 6.15² =
  7. 7.24² =
  8. 8.95² =
  9. 9.29² =
  10. 10.24² =
  11. 11.63² =
  12. 12.27² =
  13. 13.82² =
  14. 14.36² =
  15. 15.19² =
  16. 16.46² =
  17. 17.68² =
  18. 18.56² =
  19. 19.98² =
  20. 20.18² =
  21. 21.16² =
  22. 22.12² =
  23. 23.82² =
  24. 24.35² =
  25. 25.21² =
  26. 26.38² =
  27. 27.71² =
  28. 28.77² =
  29. 29.92² =
  30. 30.67² =
  31. 31.22² =
  32. 32.96² =
  33. 33.58² =
  34. 34.21² =
  35. 35.77² =
  36. 36.94² =
  37. 37.61² =
  38. 38.12² =
  39. 39.44² =
  40. 40.91² =

Answer key

  1. 7225
  2. 4225
  3. 256
  4. 9801
  5. 5041
  6. 225
  7. 576
  8. 9025
  9. 841
  10. 576
  11. 3969
  12. 729
  13. 6724
  14. 1296
  15. 361
  16. 2116
  17. 4624
  18. 3136
  19. 9604
  20. 324
  21. 256
  22. 144
  23. 6724
  24. 1225
  25. 441
  26. 1444
  27. 5041
  28. 5929
  29. 8464
  30. 4489
  31. 484
  32. 9216
  33. 3364
  34. 441
  35. 5929
  36. 8836
  37. 3721
  38. 144
  39. 1936
  40. 8281

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