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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 563 · 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. 1.98² =
  2. 2.52² =
  3. 3.84² =
  4. 4.99² =
  5. 5.41² =
  6. 6.33² =
  7. 7.31² =
  8. 8.12² =
  9. 9.96² =
  10. 10.62² =
  11. 11.66² =
  12. 12.83² =
  13. 13.74² =
  14. 14.23² =
  15. 15.38² =
  16. 16.81² =
  17. 17.41² =
  18. 18.95² =
  19. 19.52² =
  20. 20.26² =
  21. 21.71² =
  22. 22.37² =
  23. 23.49² =
  24. 24.75² =
  25. 25.41² =
  26. 26.51² =
  27. 27.34² =
  28. 28.97² =
  29. 29.61² =
  30. 30.99² =
  31. 31.91² =
  32. 32.68² =
  33. 33.21² =
  34. 34.92² =
  35. 35.71² =
  36. 36.86² =
  37. 37.91² =
  38. 38.45² =
  39. 39.73² =
  40. 40.57² =

Answer key

  1. 9604
  2. 2704
  3. 7056
  4. 9801
  5. 1681
  6. 1089
  7. 961
  8. 144
  9. 9216
  10. 3844
  11. 4356
  12. 6889
  13. 5476
  14. 529
  15. 1444
  16. 6561
  17. 1681
  18. 9025
  19. 2704
  20. 676
  21. 5041
  22. 1369
  23. 2401
  24. 5625
  25. 1681
  26. 2601
  27. 1156
  28. 9409
  29. 3721
  30. 9801
  31. 8281
  32. 4624
  33. 441
  34. 8464
  35. 5041
  36. 7396
  37. 8281
  38. 2025
  39. 5329
  40. 3249

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