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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 807 · 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. 1.59² =
  2. 2.72² =
  3. 3.77² =
  4. 4.73² =
  5. 5.83² =
  6. 6.39² =
  7. 7.25² =
  8. 8.21² =
  9. 9.26² =
  10. 10.23² =
  11. 11.97² =
  12. 12.52² =
  13. 13.61² =
  14. 14.71² =
  15. 15.19² =
  16. 16.74² =
  17. 17.23² =
  18. 18.69² =
  19. 19.26² =
  20. 20.44² =
  21. 21.61² =
  22. 22.82² =
  23. 23.58² =
  24. 24.46² =
  25. 25.46² =
  26. 26.46² =
  27. 27.41² =
  28. 28.91² =
  29. 29.34² =
  30. 30.92² =
  31. 31.24² =
  32. 32.54² =
  33. 33.78² =
  34. 34.55² =
  35. 35.77² =
  36. 36.86² =
  37. 37.46² =
  38. 38.26² =
  39. 39.41² =
  40. 40.11² =

Answer key

  1. 3481
  2. 5184
  3. 5929
  4. 5329
  5. 6889
  6. 1521
  7. 625
  8. 441
  9. 676
  10. 529
  11. 9409
  12. 2704
  13. 3721
  14. 5041
  15. 361
  16. 5476
  17. 529
  18. 4761
  19. 676
  20. 1936
  21. 3721
  22. 6724
  23. 3364
  24. 2116
  25. 2116
  26. 2116
  27. 1681
  28. 8281
  29. 1156
  30. 8464
  31. 576
  32. 2916
  33. 6084
  34. 3025
  35. 5929
  36. 7396
  37. 2116
  38. 676
  39. 1681
  40. 121

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