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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 809 · 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. 2.36² =
  3. 3.51² =
  4. 4.13² =
  5. 5.26² =
  6. 6.81² =
  7. 7.93² =
  8. 8.33² =
  9. 9.16² =
  10. 10.98² =
  11. 11.93² =
  12. 12.68² =
  13. 13.88² =
  14. 14.16² =
  15. 15.69² =
  16. 16.66² =
  17. 17.63² =
  18. 18.71² =
  19. 19.53² =
  20. 20.89² =
  21. 21.97² =
  22. 22.21² =
  23. 23.19² =
  24. 24.13² =
  25. 25.45² =
  26. 26.59² =
  27. 27.64² =
  28. 28.15² =
  29. 29.74² =
  30. 30.13² =
  31. 31.25² =
  32. 32.41² =
  33. 33.69² =
  34. 34.49² =
  35. 35.88² =
  36. 36.21² =
  37. 37.81² =
  38. 38.88² =
  39. 39.25² =
  40. 40.68² =

Answer key

  1. 9604
  2. 1296
  3. 2601
  4. 169
  5. 676
  6. 6561
  7. 8649
  8. 1089
  9. 256
  10. 9604
  11. 8649
  12. 4624
  13. 7744
  14. 256
  15. 4761
  16. 4356
  17. 3969
  18. 5041
  19. 2809
  20. 7921
  21. 9409
  22. 441
  23. 361
  24. 169
  25. 2025
  26. 3481
  27. 4096
  28. 225
  29. 5476
  30. 169
  31. 625
  32. 1681
  33. 4761
  34. 2401
  35. 7744
  36. 441
  37. 6561
  38. 7744
  39. 625
  40. 4624

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