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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 496 · 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. 1.41² =
  2. 2.67² =
  3. 3.27² =
  4. 4.13² =
  5. 5.54² =
  6. 6.81² =
  7. 7.52² =
  8. 8.39² =
  9. 9.84² =
  10. 10.21² =
  11. 11.74² =
  12. 12.25² =
  13. 13.94² =
  14. 14.73² =
  15. 15.39² =
  16. 16.92² =
  17. 17.65² =
  18. 18.13² =
  19. 19.44² =
  20. 20.56² =
  21. 21.66² =
  22. 22.29² =
  23. 23.78² =
  24. 24.62² =
  25. 25.41² =
  26. 26.23² =
  27. 27.94² =
  28. 28.44² =
  29. 29.99² =
  30. 30.74² =
  31. 31.24² =
  32. 32.29² =
  33. 33.75² =
  34. 34.68² =
  35. 35.31² =
  36. 36.69² =
  37. 37.35² =
  38. 38.71² =
  39. 39.73² =
  40. 40.97² =

Answer key

  1. 1681
  2. 4489
  3. 729
  4. 169
  5. 2916
  6. 6561
  7. 2704
  8. 1521
  9. 7056
  10. 441
  11. 5476
  12. 625
  13. 8836
  14. 5329
  15. 1521
  16. 8464
  17. 4225
  18. 169
  19. 1936
  20. 3136
  21. 4356
  22. 841
  23. 6084
  24. 3844
  25. 1681
  26. 529
  27. 8836
  28. 1936
  29. 9801
  30. 5476
  31. 576
  32. 841
  33. 5625
  34. 4624
  35. 961
  36. 4761
  37. 1225
  38. 5041
  39. 5329
  40. 9409

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