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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 693 · 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. 1.23² =
  2. 2.84² =
  3. 3.31² =
  4. 4.68² =
  5. 5.41² =
  6. 6.71² =
  7. 7.61² =
  8. 8.76² =
  9. 9.97² =
  10. 10.65² =
  11. 11.67² =
  12. 12.17² =
  13. 13.35² =
  14. 14.36² =
  15. 15.21² =
  16. 16.41² =
  17. 17.89² =
  18. 18.55² =
  19. 19.41² =
  20. 20.69² =
  21. 21.51² =
  22. 22.26² =
  23. 23.71² =
  24. 24.28² =
  25. 25.25² =
  26. 26.47² =
  27. 27.28² =
  28. 28.32² =
  29. 29.79² =
  30. 30.52² =
  31. 31.99² =
  32. 32.89² =
  33. 33.16² =
  34. 34.17² =
  35. 35.81² =
  36. 36.85² =
  37. 37.35² =
  38. 38.93² =
  39. 39.82² =
  40. 40.32² =

Answer key

  1. 529
  2. 7056
  3. 961
  4. 4624
  5. 1681
  6. 5041
  7. 3721
  8. 5776
  9. 9409
  10. 4225
  11. 4489
  12. 289
  13. 1225
  14. 1296
  15. 441
  16. 1681
  17. 7921
  18. 3025
  19. 1681
  20. 4761
  21. 2601
  22. 676
  23. 5041
  24. 784
  25. 625
  26. 2209
  27. 784
  28. 1024
  29. 6241
  30. 2704
  31. 9801
  32. 7921
  33. 256
  34. 289
  35. 6561
  36. 7225
  37. 1225
  38. 8649
  39. 6724
  40. 1024

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