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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 779 · 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. 1.69² =
  2. 2.23² =
  3. 3.55² =
  4. 4.81² =
  5. 5.66² =
  6. 6.85² =
  7. 7.64² =
  8. 8.54² =
  9. 9.87² =
  10. 10.74² =
  11. 11.38² =
  12. 12.83² =
  13. 13.66² =
  14. 14.22² =
  15. 15.33² =
  16. 16.36² =
  17. 17.42² =
  18. 18.91² =
  19. 19.77² =
  20. 20.43² =
  21. 21.58² =
  22. 22.91² =
  23. 23.98² =
  24. 24.73² =
  25. 25.44² =
  26. 26.63² =
  27. 27.58² =
  28. 28.71² =
  29. 29.34² =
  30. 30.16² =
  31. 31.35² =
  32. 32.46² =
  33. 33.71² =
  34. 34.86² =
  35. 35.52² =
  36. 36.15² =
  37. 37.83² =
  38. 38.18² =
  39. 39.61² =
  40. 40.61² =

Answer key

  1. 4761
  2. 529
  3. 3025
  4. 6561
  5. 4356
  6. 7225
  7. 4096
  8. 2916
  9. 7569
  10. 5476
  11. 1444
  12. 6889
  13. 4356
  14. 484
  15. 1089
  16. 1296
  17. 1764
  18. 8281
  19. 5929
  20. 1849
  21. 3364
  22. 8281
  23. 9604
  24. 5329
  25. 1936
  26. 3969
  27. 3364
  28. 5041
  29. 1156
  30. 256
  31. 1225
  32. 2116
  33. 5041
  34. 7396
  35. 2704
  36. 225
  37. 6889
  38. 324
  39. 3721
  40. 3721

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