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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 407 · 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. 1.19² =
  2. 2.32² =
  3. 3.29² =
  4. 4.51² =
  5. 5.81² =
  6. 6.44² =
  7. 7.59² =
  8. 8.33² =
  9. 9.37² =
  10. 10.33² =
  11. 11.74² =
  12. 12.53² =
  13. 13.73² =
  14. 14.63² =
  15. 15.18² =
  16. 16.21² =
  17. 17.48² =
  18. 18.13² =
  19. 19.43² =
  20. 20.76² =
  21. 21.95² =
  22. 22.98² =
  23. 23.49² =
  24. 24.48² =
  25. 25.36² =
  26. 26.17² =
  27. 27.16² =
  28. 28.97² =
  29. 29.18² =
  30. 30.81² =
  31. 31.56² =
  32. 32.28² =
  33. 33.91² =
  34. 34.59² =
  35. 35.65² =
  36. 36.26² =
  37. 37.78² =
  38. 38.93² =
  39. 39.78² =
  40. 40.37² =

Answer key

  1. 361
  2. 1024
  3. 841
  4. 2601
  5. 6561
  6. 1936
  7. 3481
  8. 1089
  9. 1369
  10. 1089
  11. 5476
  12. 2809
  13. 5329
  14. 3969
  15. 324
  16. 441
  17. 2304
  18. 169
  19. 1849
  20. 5776
  21. 9025
  22. 9604
  23. 2401
  24. 2304
  25. 1296
  26. 289
  27. 256
  28. 9409
  29. 324
  30. 6561
  31. 3136
  32. 784
  33. 8281
  34. 3481
  35. 4225
  36. 676
  37. 6084
  38. 8649
  39. 6084
  40. 1369

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