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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 631 · 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. 1.41² =
  2. 2.73² =
  3. 3.13² =
  4. 4.59² =
  5. 5.49² =
  6. 6.75² =
  7. 7.53² =
  8. 8.85² =
  9. 9.71² =
  10. 10.23² =
  11. 11.26² =
  12. 12.94² =
  13. 13.15² =
  14. 14.13² =
  15. 15.11² =
  16. 16.78² =
  17. 17.51² =
  18. 18.65² =
  19. 19.25² =
  20. 20.13² =
  21. 21.58² =
  22. 22.81² =
  23. 23.56² =
  24. 24.72² =
  25. 25.61² =
  26. 26.99² =
  27. 27.35² =
  28. 28.95² =
  29. 29.46² =
  30. 30.89² =
  31. 31.66² =
  32. 32.14² =
  33. 33.89² =
  34. 34.62² =
  35. 35.24² =
  36. 36.73² =
  37. 37.68² =
  38. 38.64² =
  39. 39.22² =
  40. 40.11² =

Answer key

  1. 1681
  2. 5329
  3. 169
  4. 3481
  5. 2401
  6. 5625
  7. 2809
  8. 7225
  9. 5041
  10. 529
  11. 676
  12. 8836
  13. 225
  14. 169
  15. 121
  16. 6084
  17. 2601
  18. 4225
  19. 625
  20. 169
  21. 3364
  22. 6561
  23. 3136
  24. 5184
  25. 3721
  26. 9801
  27. 1225
  28. 9025
  29. 2116
  30. 7921
  31. 4356
  32. 196
  33. 7921
  34. 3844
  35. 576
  36. 5329
  37. 4624
  38. 4096
  39. 484
  40. 121

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