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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 27 · 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. 1.37² =
  2. 2.41² =
  3. 3.59² =
  4. 4.28² =
  5. 5.59² =
  6. 6.62² =
  7. 7.31² =
  8. 8.49² =
  9. 9.64² =
  10. 10.65² =
  11. 11.17² =
  12. 12.21² =
  13. 13.24² =
  14. 14.85² =
  15. 15.81² =
  16. 16.51² =
  17. 17.38² =
  18. 18.28² =
  19. 19.66² =
  20. 20.65² =
  21. 21.68² =
  22. 22.59² =
  23. 23.32² =
  24. 24.62² =
  25. 25.15² =
  26. 26.14² =
  27. 27.81² =
  28. 28.17² =
  29. 29.73² =
  30. 30.98² =
  31. 31.91² =
  32. 32.26² =
  33. 33.91² =
  34. 34.94² =
  35. 35.58² =
  36. 36.83² =
  37. 37.23² =
  38. 38.38² =
  39. 39.72² =
  40. 40.15² =

Answer key

  1. 1369
  2. 1681
  3. 3481
  4. 784
  5. 3481
  6. 3844
  7. 961
  8. 2401
  9. 4096
  10. 4225
  11. 289
  12. 441
  13. 576
  14. 7225
  15. 6561
  16. 2601
  17. 1444
  18. 784
  19. 4356
  20. 4225
  21. 4624
  22. 3481
  23. 1024
  24. 3844
  25. 225
  26. 196
  27. 6561
  28. 289
  29. 5329
  30. 9604
  31. 8281
  32. 676
  33. 8281
  34. 8836
  35. 3364
  36. 6889
  37. 529
  38. 1444
  39. 5184
  40. 225

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