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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 678 · 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. 1.31² =
  2. 2.98² =
  3. 3.53² =
  4. 4.61² =
  5. 5.93² =
  6. 6.46² =
  7. 7.71² =
  8. 8.51² =
  9. 9.72² =
  10. 10.38² =
  11. 11.32² =
  12. 12.31² =
  13. 13.82² =
  14. 14.28² =
  15. 15.55² =
  16. 16.91² =
  17. 17.91² =
  18. 18.19² =
  19. 19.71² =
  20. 20.17² =
  21. 21.41² =
  22. 22.45² =
  23. 23.63² =
  24. 24.54² =
  25. 25.45² =
  26. 26.35² =
  27. 27.61² =
  28. 28.81² =
  29. 29.89² =
  30. 30.53² =
  31. 31.13² =
  32. 32.22² =
  33. 33.29² =
  34. 34.85² =
  35. 35.52² =
  36. 36.45² =
  37. 37.44² =
  38. 38.26² =
  39. 39.63² =
  40. 40.56² =

Answer key

  1. 961
  2. 9604
  3. 2809
  4. 3721
  5. 8649
  6. 2116
  7. 5041
  8. 2601
  9. 5184
  10. 1444
  11. 1024
  12. 961
  13. 6724
  14. 784
  15. 3025
  16. 8281
  17. 8281
  18. 361
  19. 5041
  20. 289
  21. 1681
  22. 2025
  23. 3969
  24. 2916
  25. 2025
  26. 1225
  27. 3721
  28. 6561
  29. 7921
  30. 2809
  31. 169
  32. 484
  33. 841
  34. 7225
  35. 2704
  36. 2025
  37. 1936
  38. 676
  39. 3969
  40. 3136

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