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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 755 · 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. 1.76² =
  2. 2.38² =
  3. 3.74² =
  4. 4.41² =
  5. 5.43² =
  6. 6.43² =
  7. 7.78² =
  8. 8.18² =
  9. 9.15² =
  10. 10.91² =
  11. 11.92² =
  12. 12.48² =
  13. 13.58² =
  14. 14.63² =
  15. 15.86² =
  16. 16.44² =
  17. 17.27² =
  18. 18.41² =
  19. 19.11² =
  20. 20.83² =
  21. 21.57² =
  22. 22.16² =
  23. 23.13² =
  24. 24.61² =
  25. 25.63² =
  26. 26.27² =
  27. 27.32² =
  28. 28.72² =
  29. 29.85² =
  30. 30.81² =
  31. 31.67² =
  32. 32.16² =
  33. 33.93² =
  34. 34.12² =
  35. 35.71² =
  36. 36.79² =
  37. 37.25² =
  38. 38.27² =
  39. 39.31² =
  40. 40.19² =

Answer key

  1. 5776
  2. 1444
  3. 5476
  4. 1681
  5. 1849
  6. 1849
  7. 6084
  8. 324
  9. 225
  10. 8281
  11. 8464
  12. 2304
  13. 3364
  14. 3969
  15. 7396
  16. 1936
  17. 729
  18. 1681
  19. 121
  20. 6889
  21. 3249
  22. 256
  23. 169
  24. 3721
  25. 3969
  26. 729
  27. 1024
  28. 5184
  29. 7225
  30. 6561
  31. 4489
  32. 256
  33. 8649
  34. 144
  35. 5041
  36. 6241
  37. 625
  38. 729
  39. 961
  40. 361

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