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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 715 · 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. 1.86² =
  2. 2.99² =
  3. 3.14² =
  4. 4.66² =
  5. 5.42² =
  6. 6.88² =
  7. 7.51² =
  8. 8.52² =
  9. 9.32² =
  10. 10.31² =
  11. 11.87² =
  12. 12.98² =
  13. 13.17² =
  14. 14.58² =
  15. 15.56² =
  16. 16.51² =
  17. 17.63² =
  18. 18.34² =
  19. 19.62² =
  20. 20.41² =
  21. 21.34² =
  22. 22.74² =
  23. 23.78² =
  24. 24.91² =
  25. 25.49² =
  26. 26.44² =
  27. 27.63² =
  28. 28.34² =
  29. 29.92² =
  30. 30.76² =
  31. 31.97² =
  32. 32.89² =
  33. 33.88² =
  34. 34.12² =
  35. 35.32² =
  36. 36.13² =
  37. 37.92² =
  38. 38.18² =
  39. 39.92² =
  40. 40.58² =

Answer key

  1. 7396
  2. 9801
  3. 196
  4. 4356
  5. 1764
  6. 7744
  7. 2601
  8. 2704
  9. 1024
  10. 961
  11. 7569
  12. 9604
  13. 289
  14. 3364
  15. 3136
  16. 2601
  17. 3969
  18. 1156
  19. 3844
  20. 1681
  21. 1156
  22. 5476
  23. 6084
  24. 8281
  25. 2401
  26. 1936
  27. 3969
  28. 1156
  29. 8464
  30. 5776
  31. 9409
  32. 7921
  33. 7744
  34. 144
  35. 1024
  36. 169
  37. 8464
  38. 324
  39. 8464
  40. 3364

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