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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 862 · 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. 1.17² =
  2. 2.36² =
  3. 3.53² =
  4. 4.68² =
  5. 5.93² =
  6. 6.39² =
  7. 7.55² =
  8. 8.45² =
  9. 9.34² =
  10. 10.71² =
  11. 11.31² =
  12. 12.59² =
  13. 13.96² =
  14. 14.42² =
  15. 15.48² =
  16. 16.19² =
  17. 17.38² =
  18. 18.77² =
  19. 19.27² =
  20. 20.72² =
  21. 21.79² =
  22. 22.31² =
  23. 23.72² =
  24. 24.15² =
  25. 25.38² =
  26. 26.45² =
  27. 27.68² =
  28. 28.19² =
  29. 29.83² =
  30. 30.61² =
  31. 31.99² =
  32. 32.91² =
  33. 33.83² =
  34. 34.99² =
  35. 35.35² =
  36. 36.55² =
  37. 37.34² =
  38. 38.61² =
  39. 39.16² =
  40. 40.37² =

Answer key

  1. 289
  2. 1296
  3. 2809
  4. 4624
  5. 8649
  6. 1521
  7. 3025
  8. 2025
  9. 1156
  10. 5041
  11. 961
  12. 3481
  13. 9216
  14. 1764
  15. 2304
  16. 361
  17. 1444
  18. 5929
  19. 729
  20. 5184
  21. 6241
  22. 961
  23. 5184
  24. 225
  25. 1444
  26. 2025
  27. 4624
  28. 361
  29. 6889
  30. 3721
  31. 9801
  32. 8281
  33. 6889
  34. 9801
  35. 1225
  36. 3025
  37. 1156
  38. 3721
  39. 256
  40. 1369

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