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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 60 · 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. 1.89² =
  2. 2.99² =
  3. 3.71² =
  4. 4.32² =
  5. 5.98² =
  6. 6.76² =
  7. 7.83² =
  8. 8.88² =
  9. 9.44² =
  10. 10.43² =
  11. 11.91² =
  12. 12.23² =
  13. 13.57² =
  14. 14.88² =
  15. 15.57² =
  16. 16.99² =
  17. 17.63² =
  18. 18.34² =
  19. 19.45² =
  20. 20.87² =
  21. 21.94² =
  22. 22.29² =
  23. 23.14² =
  24. 24.26² =
  25. 25.42² =
  26. 26.55² =
  27. 27.27² =
  28. 28.51² =
  29. 29.86² =
  30. 30.43² =
  31. 31.35² =
  32. 32.14² =
  33. 33.98² =
  34. 34.18² =
  35. 35.33² =
  36. 36.17² =
  37. 37.74² =
  38. 38.15² =
  39. 39.75² =
  40. 40.85² =

Answer key

  1. 7921
  2. 9801
  3. 5041
  4. 1024
  5. 9604
  6. 5776
  7. 6889
  8. 7744
  9. 1936
  10. 1849
  11. 8281
  12. 529
  13. 3249
  14. 7744
  15. 3249
  16. 9801
  17. 3969
  18. 1156
  19. 2025
  20. 7569
  21. 8836
  22. 841
  23. 196
  24. 676
  25. 1764
  26. 3025
  27. 729
  28. 2601
  29. 7396
  30. 1849
  31. 1225
  32. 196
  33. 9604
  34. 324
  35. 1089
  36. 289
  37. 5476
  38. 225
  39. 5625
  40. 7225

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