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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 143 · 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. 1.62² =
  2. 2.99² =
  3. 3.69² =
  4. 4.37² =
  5. 5.54² =
  6. 6.35² =
  7. 7.22² =
  8. 8.55² =
  9. 9.69² =
  10. 10.44² =
  11. 11.56² =
  12. 12.51² =
  13. 13.43² =
  14. 14.76² =
  15. 15.28² =
  16. 16.16² =
  17. 17.69² =
  18. 18.12² =
  19. 19.31² =
  20. 20.67² =
  21. 21.12² =
  22. 22.91² =
  23. 23.91² =
  24. 24.21² =
  25. 25.14² =
  26. 26.23² =
  27. 27.32² =
  28. 28.75² =
  29. 29.64² =
  30. 30.31² =
  31. 31.89² =
  32. 32.64² =
  33. 33.14² =
  34. 34.78² =
  35. 35.25² =
  36. 36.13² =
  37. 37.16² =
  38. 38.26² =
  39. 39.51² =
  40. 40.59² =

Answer key

  1. 3844
  2. 9801
  3. 4761
  4. 1369
  5. 2916
  6. 1225
  7. 484
  8. 3025
  9. 4761
  10. 1936
  11. 3136
  12. 2601
  13. 1849
  14. 5776
  15. 784
  16. 256
  17. 4761
  18. 144
  19. 961
  20. 4489
  21. 144
  22. 8281
  23. 8281
  24. 441
  25. 196
  26. 529
  27. 1024
  28. 5625
  29. 4096
  30. 961
  31. 7921
  32. 4096
  33. 196
  34. 6084
  35. 625
  36. 169
  37. 256
  38. 676
  39. 2601
  40. 3481

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