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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 450 · 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. 1.46² =
  2. 2.49² =
  3. 3.27² =
  4. 4.69² =
  5. 5.27² =
  6. 6.74² =
  7. 7.14² =
  8. 8.91² =
  9. 9.26² =
  10. 10.16² =
  11. 11.81² =
  12. 12.58² =
  13. 13.95² =
  14. 14.28² =
  15. 15.61² =
  16. 16.61² =
  17. 17.51² =
  18. 18.87² =
  19. 19.65² =
  20. 20.16² =
  21. 21.96² =
  22. 22.81² =
  23. 23.99² =
  24. 24.19² =
  25. 25.93² =
  26. 26.27² =
  27. 27.12² =
  28. 28.27² =
  29. 29.44² =
  30. 30.37² =
  31. 31.13² =
  32. 32.72² =
  33. 33.37² =
  34. 34.43² =
  35. 35.72² =
  36. 36.77² =
  37. 37.49² =
  38. 38.83² =
  39. 39.17² =
  40. 40.58² =

Answer key

  1. 2116
  2. 2401
  3. 729
  4. 4761
  5. 729
  6. 5476
  7. 196
  8. 8281
  9. 676
  10. 256
  11. 6561
  12. 3364
  13. 9025
  14. 784
  15. 3721
  16. 3721
  17. 2601
  18. 7569
  19. 4225
  20. 256
  21. 9216
  22. 6561
  23. 9801
  24. 361
  25. 8649
  26. 729
  27. 144
  28. 729
  29. 1936
  30. 1369
  31. 169
  32. 5184
  33. 1369
  34. 1849
  35. 5184
  36. 5929
  37. 2401
  38. 6889
  39. 289
  40. 3364

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