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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 509 · 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. 2.32² =
  3. 3.23² =
  4. 4.19² =
  5. 5.53² =
  6. 6.46² =
  7. 7.24² =
  8. 8.27² =
  9. 9.78² =
  10. 10.43² =
  11. 11.31² =
  12. 12.95² =
  13. 13.37² =
  14. 14.59² =
  15. 15.56² =
  16. 16.66² =
  17. 17.17² =
  18. 18.23² =
  19. 19.78² =
  20. 20.55² =
  21. 21.79² =
  22. 22.87² =
  23. 23.49² =
  24. 24.63² =
  25. 25.55² =
  26. 26.11² =
  27. 27.23² =
  28. 28.51² =
  29. 29.48² =
  30. 30.38² =
  31. 31.79² =
  32. 32.55² =
  33. 33.92² =
  34. 34.31² =
  35. 35.97² =
  36. 36.84² =
  37. 37.32² =
  38. 38.21² =
  39. 39.56² =
  40. 40.28² =

Answer key

  1. 7569
  2. 1024
  3. 529
  4. 361
  5. 2809
  6. 2116
  7. 576
  8. 729
  9. 6084
  10. 1849
  11. 961
  12. 9025
  13. 1369
  14. 3481
  15. 3136
  16. 4356
  17. 289
  18. 529
  19. 6084
  20. 3025
  21. 6241
  22. 7569
  23. 2401
  24. 3969
  25. 3025
  26. 121
  27. 529
  28. 2601
  29. 2304
  30. 1444
  31. 6241
  32. 3025
  33. 8464
  34. 961
  35. 9409
  36. 7056
  37. 1024
  38. 441
  39. 3136
  40. 784

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