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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 109 · 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. 1.64² =
  2. 2.82² =
  3. 3.82² =
  4. 4.57² =
  5. 5.27² =
  6. 6.56² =
  7. 7.57² =
  8. 8.34² =
  9. 9.66² =
  10. 10.68² =
  11. 11.23² =
  12. 12.65² =
  13. 13.43² =
  14. 14.51² =
  15. 15.12² =
  16. 16.91² =
  17. 17.49² =
  18. 18.48² =
  19. 19.44² =
  20. 20.34² =
  21. 21.61² =
  22. 22.22² =
  23. 23.71² =
  24. 24.17² =
  25. 25.16² =
  26. 26.49² =
  27. 27.31² =
  28. 28.76² =
  29. 29.13² =
  30. 30.66² =
  31. 31.63² =
  32. 32.15² =
  33. 33.41² =
  34. 34.16² =
  35. 35.12² =
  36. 36.71² =
  37. 37.76² =
  38. 38.26² =
  39. 39.24² =
  40. 40.31² =

Answer key

  1. 4096
  2. 6724
  3. 6724
  4. 3249
  5. 729
  6. 3136
  7. 3249
  8. 1156
  9. 4356
  10. 4624
  11. 529
  12. 4225
  13. 1849
  14. 2601
  15. 144
  16. 8281
  17. 2401
  18. 2304
  19. 1936
  20. 1156
  21. 3721
  22. 484
  23. 5041
  24. 289
  25. 256
  26. 2401
  27. 961
  28. 5776
  29. 169
  30. 4356
  31. 3969
  32. 225
  33. 1681
  34. 256
  35. 144
  36. 5041
  37. 5776
  38. 676
  39. 576
  40. 961

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