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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 684 · 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. 1.65² =
  2. 2.72² =
  3. 3.41² =
  4. 4.59² =
  5. 5.26² =
  6. 6.14² =
  7. 7.27² =
  8. 8.19² =
  9. 9.47² =
  10. 10.68² =
  11. 11.23² =
  12. 12.91² =
  13. 13.38² =
  14. 14.74² =
  15. 15.95² =
  16. 16.49² =
  17. 17.61² =
  18. 18.64² =
  19. 19.34² =
  20. 20.97² =
  21. 21.31² =
  22. 22.73² =
  23. 23.32² =
  24. 24.88² =
  25. 25.41² =
  26. 26.61² =
  27. 27.93² =
  28. 28.76² =
  29. 29.43² =
  30. 30.52² =
  31. 31.68² =
  32. 32.91² =
  33. 33.29² =
  34. 34.86² =
  35. 35.37² =
  36. 36.65² =
  37. 37.22² =
  38. 38.58² =
  39. 39.21² =
  40. 40.33² =

Answer key

  1. 4225
  2. 5184
  3. 1681
  4. 3481
  5. 676
  6. 196
  7. 729
  8. 361
  9. 2209
  10. 4624
  11. 529
  12. 8281
  13. 1444
  14. 5476
  15. 9025
  16. 2401
  17. 3721
  18. 4096
  19. 1156
  20. 9409
  21. 961
  22. 5329
  23. 1024
  24. 7744
  25. 1681
  26. 3721
  27. 8649
  28. 5776
  29. 1849
  30. 2704
  31. 4624
  32. 8281
  33. 841
  34. 7396
  35. 1369
  36. 4225
  37. 484
  38. 3364
  39. 441
  40. 1089

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