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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 648 · 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. 1.65² =
  2. 2.61² =
  3. 3.72² =
  4. 4.24² =
  5. 5.32² =
  6. 6.46² =
  7. 7.21² =
  8. 8.25² =
  9. 9.31² =
  10. 10.61² =
  11. 11.51² =
  12. 12.91² =
  13. 13.21² =
  14. 14.43² =
  15. 15.72² =
  16. 16.82² =
  17. 17.54² =
  18. 18.97² =
  19. 19.48² =
  20. 20.41² =
  21. 21.43² =
  22. 22.52² =
  23. 23.95² =
  24. 24.73² =
  25. 25.84² =
  26. 26.52² =
  27. 27.63² =
  28. 28.81² =
  29. 29.91² =
  30. 30.12² =
  31. 31.41² =
  32. 32.47² =
  33. 33.93² =
  34. 34.12² =
  35. 35.23² =
  36. 36.16² =
  37. 37.59² =
  38. 38.31² =
  39. 39.36² =
  40. 40.52² =

Answer key

  1. 4225
  2. 3721
  3. 5184
  4. 576
  5. 1024
  6. 2116
  7. 441
  8. 625
  9. 961
  10. 3721
  11. 2601
  12. 8281
  13. 441
  14. 1849
  15. 5184
  16. 6724
  17. 2916
  18. 9409
  19. 2304
  20. 1681
  21. 1849
  22. 2704
  23. 9025
  24. 5329
  25. 7056
  26. 2704
  27. 3969
  28. 6561
  29. 8281
  30. 144
  31. 1681
  32. 2209
  33. 8649
  34. 144
  35. 529
  36. 256
  37. 3481
  38. 961
  39. 1296
  40. 2704

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