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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 138 · 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. 1.48² =
  2. 2.21² =
  3. 3.57² =
  4. 4.22² =
  5. 5.93² =
  6. 6.85² =
  7. 7.66² =
  8. 8.54² =
  9. 9.78² =
  10. 10.14² =
  11. 11.42² =
  12. 12.32² =
  13. 13.13² =
  14. 14.26² =
  15. 15.97² =
  16. 16.31² =
  17. 17.75² =
  18. 18.77² =
  19. 19.28² =
  20. 20.81² =
  21. 21.88² =
  22. 22.61² =
  23. 23.98² =
  24. 24.31² =
  25. 25.77² =
  26. 26.96² =
  27. 27.97² =
  28. 28.82² =
  29. 29.49² =
  30. 30.51² =
  31. 31.21² =
  32. 32.66² =
  33. 33.45² =
  34. 34.61² =
  35. 35.49² =
  36. 36.51² =
  37. 37.35² =
  38. 38.14² =
  39. 39.34² =
  40. 40.13² =

Answer key

  1. 2304
  2. 441
  3. 3249
  4. 484
  5. 8649
  6. 7225
  7. 4356
  8. 2916
  9. 6084
  10. 196
  11. 1764
  12. 1024
  13. 169
  14. 676
  15. 9409
  16. 961
  17. 5625
  18. 5929
  19. 784
  20. 6561
  21. 7744
  22. 3721
  23. 9604
  24. 961
  25. 5929
  26. 9216
  27. 9409
  28. 6724
  29. 2401
  30. 2601
  31. 441
  32. 4356
  33. 2025
  34. 3721
  35. 2401
  36. 2601
  37. 1225
  38. 196
  39. 1156
  40. 169

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