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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 570 · 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. 1.15² =
  2. 2.79² =
  3. 3.52² =
  4. 4.39² =
  5. 5.33² =
  6. 6.59² =
  7. 7.87² =
  8. 8.45² =
  9. 9.44² =
  10. 10.86² =
  11. 11.42² =
  12. 12.18² =
  13. 13.65² =
  14. 14.91² =
  15. 15.78² =
  16. 16.18² =
  17. 17.79² =
  18. 18.55² =
  19. 19.15² =
  20. 20.81² =
  21. 21.72² =
  22. 22.44² =
  23. 23.21² =
  24. 24.96² =
  25. 25.58² =
  26. 26.29² =
  27. 27.76² =
  28. 28.21² =
  29. 29.22² =
  30. 30.41² =
  31. 31.36² =
  32. 32.93² =
  33. 33.84² =
  34. 34.53² =
  35. 35.59² =
  36. 36.61² =
  37. 37.71² =
  38. 38.27² =
  39. 39.43² =
  40. 40.61² =

Answer key

  1. 225
  2. 6241
  3. 2704
  4. 1521
  5. 1089
  6. 3481
  7. 7569
  8. 2025
  9. 1936
  10. 7396
  11. 1764
  12. 324
  13. 4225
  14. 8281
  15. 6084
  16. 324
  17. 6241
  18. 3025
  19. 225
  20. 6561
  21. 5184
  22. 1936
  23. 441
  24. 9216
  25. 3364
  26. 841
  27. 5776
  28. 441
  29. 484
  30. 1681
  31. 1296
  32. 8649
  33. 7056
  34. 2809
  35. 3481
  36. 3721
  37. 5041
  38. 729
  39. 1849
  40. 3721

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