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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 863 · 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. 2.49² =
  3. 3.28² =
  4. 4.26² =
  5. 5.37² =
  6. 6.79² =
  7. 7.33² =
  8. 8.55² =
  9. 9.24² =
  10. 10.39² =
  11. 11.89² =
  12. 12.99² =
  13. 13.98² =
  14. 14.26² =
  15. 15.13² =
  16. 16.53² =
  17. 17.61² =
  18. 18.87² =
  19. 19.32² =
  20. 20.65² =
  21. 21.43² =
  22. 22.64² =
  23. 23.65² =
  24. 24.51² =
  25. 25.66² =
  26. 26.15² =
  27. 27.15² =
  28. 28.86² =
  29. 29.34² =
  30. 30.33² =
  31. 31.43² =
  32. 32.77² =
  33. 33.44² =
  34. 34.64² =
  35. 35.69² =
  36. 36.64² =
  37. 37.88² =
  38. 38.15² =
  39. 39.21² =
  40. 40.45² =

Answer key

  1. 961
  2. 2401
  3. 784
  4. 676
  5. 1369
  6. 6241
  7. 1089
  8. 3025
  9. 576
  10. 1521
  11. 7921
  12. 9801
  13. 9604
  14. 676
  15. 169
  16. 2809
  17. 3721
  18. 7569
  19. 1024
  20. 4225
  21. 1849
  22. 4096
  23. 4225
  24. 2601
  25. 4356
  26. 225
  27. 225
  28. 7396
  29. 1156
  30. 1089
  31. 1849
  32. 5929
  33. 1936
  34. 4096
  35. 4761
  36. 4096
  37. 7744
  38. 225
  39. 441
  40. 2025

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