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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 87 · 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. 1.98² =
  2. 2.27² =
  3. 3.87² =
  4. 4.14² =
  5. 5.66² =
  6. 6.18² =
  7. 7.62² =
  8. 8.45² =
  9. 9.34² =
  10. 10.17² =
  11. 11.76² =
  12. 12.14² =
  13. 13.76² =
  14. 14.34² =
  15. 15.48² =
  16. 16.88² =
  17. 17.31² =
  18. 18.14² =
  19. 19.63² =
  20. 20.51² =
  21. 21.33² =
  22. 22.76² =
  23. 23.15² =
  24. 24.31² =
  25. 25.51² =
  26. 26.23² =
  27. 27.97² =
  28. 28.85² =
  29. 29.93² =
  30. 30.33² =
  31. 31.64² =
  32. 32.23² =
  33. 33.11² =
  34. 34.37² =
  35. 35.82² =
  36. 36.19² =
  37. 37.41² =
  38. 38.15² =
  39. 39.58² =
  40. 40.56² =

Answer key

  1. 9604
  2. 729
  3. 7569
  4. 196
  5. 4356
  6. 324
  7. 3844
  8. 2025
  9. 1156
  10. 289
  11. 5776
  12. 196
  13. 5776
  14. 1156
  15. 2304
  16. 7744
  17. 961
  18. 196
  19. 3969
  20. 2601
  21. 1089
  22. 5776
  23. 225
  24. 961
  25. 2601
  26. 529
  27. 9409
  28. 7225
  29. 8649
  30. 1089
  31. 4096
  32. 529
  33. 121
  34. 1369
  35. 6724
  36. 361
  37. 1681
  38. 225
  39. 3364
  40. 3136

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