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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 561 · 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. 1.38² =
  2. 2.17² =
  3. 3.41² =
  4. 4.21² =
  5. 5.59² =
  6. 6.21² =
  7. 7.76² =
  8. 8.87² =
  9. 9.94² =
  10. 10.33² =
  11. 11.85² =
  12. 12.79² =
  13. 13.15² =
  14. 14.61² =
  15. 15.34² =
  16. 16.32² =
  17. 17.12² =
  18. 18.61² =
  19. 19.21² =
  20. 20.32² =
  21. 21.17² =
  22. 22.31² =
  23. 23.43² =
  24. 24.91² =
  25. 25.59² =
  26. 26.59² =
  27. 27.84² =
  28. 28.34² =
  29. 29.12² =
  30. 30.52² =
  31. 31.86² =
  32. 32.98² =
  33. 33.19² =
  34. 34.19² =
  35. 35.89² =
  36. 36.95² =
  37. 37.45² =
  38. 38.43² =
  39. 39.98² =
  40. 40.17² =

Answer key

  1. 1444
  2. 289
  3. 1681
  4. 441
  5. 3481
  6. 441
  7. 5776
  8. 7569
  9. 8836
  10. 1089
  11. 7225
  12. 6241
  13. 225
  14. 3721
  15. 1156
  16. 1024
  17. 144
  18. 3721
  19. 441
  20. 1024
  21. 289
  22. 961
  23. 1849
  24. 8281
  25. 3481
  26. 3481
  27. 7056
  28. 1156
  29. 144
  30. 2704
  31. 7396
  32. 9604
  33. 361
  34. 361
  35. 7921
  36. 9025
  37. 2025
  38. 1849
  39. 9604
  40. 289

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