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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 589 · 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. 1.87² =
  2. 2.59² =
  3. 3.24² =
  4. 4.83² =
  5. 5.73² =
  6. 6.53² =
  7. 7.15² =
  8. 8.24² =
  9. 9.23² =
  10. 10.34² =
  11. 11.13² =
  12. 12.29² =
  13. 13.62² =
  14. 14.45² =
  15. 15.17² =
  16. 16.51² =
  17. 17.75² =
  18. 18.75² =
  19. 19.44² =
  20. 20.49² =
  21. 21.93² =
  22. 22.61² =
  23. 23.74² =
  24. 24.99² =
  25. 25.48² =
  26. 26.91² =
  27. 27.23² =
  28. 28.52² =
  29. 29.84² =
  30. 30.66² =
  31. 31.57² =
  32. 32.26² =
  33. 33.24² =
  34. 34.51² =
  35. 35.87² =
  36. 36.32² =
  37. 37.31² =
  38. 38.62² =
  39. 39.29² =
  40. 40.26² =

Answer key

  1. 7569
  2. 3481
  3. 576
  4. 6889
  5. 5329
  6. 2809
  7. 225
  8. 576
  9. 529
  10. 1156
  11. 169
  12. 841
  13. 3844
  14. 2025
  15. 289
  16. 2601
  17. 5625
  18. 5625
  19. 1936
  20. 2401
  21. 8649
  22. 3721
  23. 5476
  24. 9801
  25. 2304
  26. 8281
  27. 529
  28. 2704
  29. 7056
  30. 4356
  31. 3249
  32. 676
  33. 576
  34. 2601
  35. 7569
  36. 1024
  37. 961
  38. 3844
  39. 841
  40. 676

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