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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 83 · 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. 1.28² =
  2. 2.82² =
  3. 3.64² =
  4. 4.69² =
  5. 5.84² =
  6. 6.78² =
  7. 7.78² =
  8. 8.61² =
  9. 9.22² =
  10. 10.63² =
  11. 11.25² =
  12. 12.84² =
  13. 13.61² =
  14. 14.16² =
  15. 15.95² =
  16. 16.88² =
  17. 17.73² =
  18. 18.46² =
  19. 19.57² =
  20. 20.17² =
  21. 21.51² =
  22. 22.68² =
  23. 23.19² =
  24. 24.77² =
  25. 25.19² =
  26. 26.94² =
  27. 27.77² =
  28. 28.81² =
  29. 29.42² =
  30. 30.89² =
  31. 31.38² =
  32. 32.41² =
  33. 33.61² =
  34. 34.77² =
  35. 35.68² =
  36. 36.27² =
  37. 37.84² =
  38. 38.14² =
  39. 39.65² =
  40. 40.91² =

Answer key

  1. 784
  2. 6724
  3. 4096
  4. 4761
  5. 7056
  6. 6084
  7. 6084
  8. 3721
  9. 484
  10. 3969
  11. 625
  12. 7056
  13. 3721
  14. 256
  15. 9025
  16. 7744
  17. 5329
  18. 2116
  19. 3249
  20. 289
  21. 2601
  22. 4624
  23. 361
  24. 5929
  25. 361
  26. 8836
  27. 5929
  28. 6561
  29. 1764
  30. 7921
  31. 1444
  32. 1681
  33. 3721
  34. 5929
  35. 4624
  36. 729
  37. 7056
  38. 196
  39. 4225
  40. 8281

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