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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 725 · 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. 1.16² =
  2. 2.85² =
  3. 3.73² =
  4. 4.34² =
  5. 5.87² =
  6. 6.63² =
  7. 7.18² =
  8. 8.33² =
  9. 9.63² =
  10. 10.99² =
  11. 11.37² =
  12. 12.97² =
  13. 13.95² =
  14. 14.96² =
  15. 15.75² =
  16. 16.58² =
  17. 17.14² =
  18. 18.19² =
  19. 19.41² =
  20. 20.89² =
  21. 21.35² =
  22. 22.44² =
  23. 23.78² =
  24. 24.71² =
  25. 25.56² =
  26. 26.66² =
  27. 27.85² =
  28. 28.56² =
  29. 29.73² =
  30. 30.37² =
  31. 31.25² =
  32. 32.78² =
  33. 33.31² =
  34. 34.57² =
  35. 35.68² =
  36. 36.95² =
  37. 37.24² =
  38. 38.73² =
  39. 39.51² =
  40. 40.67² =

Answer key

  1. 256
  2. 7225
  3. 5329
  4. 1156
  5. 7569
  6. 3969
  7. 324
  8. 1089
  9. 3969
  10. 9801
  11. 1369
  12. 9409
  13. 9025
  14. 9216
  15. 5625
  16. 3364
  17. 196
  18. 361
  19. 1681
  20. 7921
  21. 1225
  22. 1936
  23. 6084
  24. 5041
  25. 3136
  26. 4356
  27. 7225
  28. 3136
  29. 5329
  30. 1369
  31. 625
  32. 6084
  33. 961
  34. 3249
  35. 4624
  36. 9025
  37. 576
  38. 5329
  39. 2601
  40. 4489

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