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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 481 · 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. 1.51² =
  2. 2.99² =
  3. 3.16² =
  4. 4.62² =
  5. 5.91² =
  6. 6.74² =
  7. 7.38² =
  8. 8.21² =
  9. 9.54² =
  10. 10.44² =
  11. 11.75² =
  12. 12.19² =
  13. 13.69² =
  14. 14.93² =
  15. 15.22² =
  16. 16.86² =
  17. 17.53² =
  18. 18.53² =
  19. 19.17² =
  20. 20.62² =
  21. 21.29² =
  22. 22.16² =
  23. 23.66² =
  24. 24.53² =
  25. 25.34² =
  26. 26.14² =
  27. 27.21² =
  28. 28.86² =
  29. 29.23² =
  30. 30.51² =
  31. 31.84² =
  32. 32.68² =
  33. 33.97² =
  34. 34.67² =
  35. 35.14² =
  36. 36.16² =
  37. 37.16² =
  38. 38.31² =
  39. 39.48² =
  40. 40.27² =

Answer key

  1. 2601
  2. 9801
  3. 256
  4. 3844
  5. 8281
  6. 5476
  7. 1444
  8. 441
  9. 2916
  10. 1936
  11. 5625
  12. 361
  13. 4761
  14. 8649
  15. 484
  16. 7396
  17. 2809
  18. 2809
  19. 289
  20. 3844
  21. 841
  22. 256
  23. 4356
  24. 2809
  25. 1156
  26. 196
  27. 441
  28. 7396
  29. 529
  30. 2601
  31. 7056
  32. 4624
  33. 9409
  34. 4489
  35. 196
  36. 256
  37. 256
  38. 961
  39. 2304
  40. 729

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