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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 71 · 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. 1.88² =
  2. 2.52² =
  3. 3.54² =
  4. 4.13² =
  5. 5.79² =
  6. 6.23² =
  7. 7.99² =
  8. 8.35² =
  9. 9.81² =
  10. 10.26² =
  11. 11.76² =
  12. 12.38² =
  13. 13.16² =
  14. 14.39² =
  15. 15.73² =
  16. 16.51² =
  17. 17.18² =
  18. 18.68² =
  19. 19.91² =
  20. 20.78² =
  21. 21.46² =
  22. 22.88² =
  23. 23.91² =
  24. 24.36² =
  25. 25.57² =
  26. 26.21² =
  27. 27.12² =
  28. 28.28² =
  29. 29.11² =
  30. 30.59² =
  31. 31.21² =
  32. 32.21² =
  33. 33.22² =
  34. 34.18² =
  35. 35.17² =
  36. 36.76² =
  37. 37.37² =
  38. 38.57² =
  39. 39.79² =
  40. 40.14² =

Answer key

  1. 7744
  2. 2704
  3. 2916
  4. 169
  5. 6241
  6. 529
  7. 9801
  8. 1225
  9. 6561
  10. 676
  11. 5776
  12. 1444
  13. 256
  14. 1521
  15. 5329
  16. 2601
  17. 324
  18. 4624
  19. 8281
  20. 6084
  21. 2116
  22. 7744
  23. 8281
  24. 1296
  25. 3249
  26. 441
  27. 144
  28. 784
  29. 121
  30. 3481
  31. 441
  32. 441
  33. 484
  34. 324
  35. 289
  36. 5776
  37. 1369
  38. 3249
  39. 6241
  40. 196

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