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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 909 · 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. 1.27² =
  2. 2.37² =
  3. 3.62² =
  4. 4.24² =
  5. 5.97² =
  6. 6.56² =
  7. 7.34² =
  8. 8.23² =
  9. 9.21² =
  10. 10.94² =
  11. 11.19² =
  12. 12.85² =
  13. 13.66² =
  14. 14.72² =
  15. 15.21² =
  16. 16.16² =
  17. 17.33² =
  18. 18.69² =
  19. 19.96² =
  20. 20.21² =
  21. 21.53² =
  22. 22.73² =
  23. 23.32² =
  24. 24.82² =
  25. 25.29² =
  26. 26.99² =
  27. 27.76² =
  28. 28.14² =
  29. 29.21² =
  30. 30.75² =
  31. 31.49² =
  32. 32.36² =
  33. 33.82² =
  34. 34.79² =
  35. 35.81² =
  36. 36.67² =
  37. 37.58² =
  38. 38.53² =
  39. 39.41² =
  40. 40.96² =

Answer key

  1. 729
  2. 1369
  3. 3844
  4. 576
  5. 9409
  6. 3136
  7. 1156
  8. 529
  9. 441
  10. 8836
  11. 361
  12. 7225
  13. 4356
  14. 5184
  15. 441
  16. 256
  17. 1089
  18. 4761
  19. 9216
  20. 441
  21. 2809
  22. 5329
  23. 1024
  24. 6724
  25. 841
  26. 9801
  27. 5776
  28. 196
  29. 441
  30. 5625
  31. 2401
  32. 1296
  33. 6724
  34. 6241
  35. 6561
  36. 4489
  37. 3364
  38. 2809
  39. 1681
  40. 9216

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