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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 308 · 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. 2.44² =
  3. 3.56² =
  4. 4.41² =
  5. 5.14² =
  6. 6.32² =
  7. 7.22² =
  8. 8.47² =
  9. 9.13² =
  10. 10.83² =
  11. 11.71² =
  12. 12.84² =
  13. 13.31² =
  14. 14.62² =
  15. 15.21² =
  16. 16.49² =
  17. 17.42² =
  18. 18.55² =
  19. 19.26² =
  20. 20.81² =
  21. 21.29² =
  22. 22.81² =
  23. 23.31² =
  24. 24.86² =
  25. 25.21² =
  26. 26.66² =
  27. 27.41² =
  28. 28.88² =
  29. 29.48² =
  30. 30.63² =
  31. 31.43² =
  32. 32.35² =
  33. 33.16² =
  34. 34.44² =
  35. 35.99² =
  36. 36.17² =
  37. 37.29² =
  38. 38.33² =
  39. 39.99² =
  40. 40.54² =

Answer key

  1. 1369
  2. 1936
  3. 3136
  4. 1681
  5. 196
  6. 1024
  7. 484
  8. 2209
  9. 169
  10. 6889
  11. 5041
  12. 7056
  13. 961
  14. 3844
  15. 441
  16. 2401
  17. 1764
  18. 3025
  19. 676
  20. 6561
  21. 841
  22. 6561
  23. 961
  24. 7396
  25. 441
  26. 4356
  27. 1681
  28. 7744
  29. 2304
  30. 3969
  31. 1849
  32. 1225
  33. 256
  34. 1936
  35. 9801
  36. 289
  37. 841
  38. 1089
  39. 9801
  40. 2916

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