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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 850 · 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. 1.68² =
  2. 2.46² =
  3. 3.59² =
  4. 4.48² =
  5. 5.63² =
  6. 6.43² =
  7. 7.37² =
  8. 8.26² =
  9. 9.33² =
  10. 10.48² =
  11. 11.57² =
  12. 12.34² =
  13. 13.56² =
  14. 14.74² =
  15. 15.48² =
  16. 16.44² =
  17. 17.38² =
  18. 18.56² =
  19. 19.98² =
  20. 20.89² =
  21. 21.23² =
  22. 22.42² =
  23. 23.38² =
  24. 24.75² =
  25. 25.83² =
  26. 26.27² =
  27. 27.65² =
  28. 28.13² =
  29. 29.61² =
  30. 30.19² =
  31. 31.31² =
  32. 32.67² =
  33. 33.81² =
  34. 34.22² =
  35. 35.79² =
  36. 36.63² =
  37. 37.15² =
  38. 38.67² =
  39. 39.59² =
  40. 40.69² =

Answer key

  1. 4624
  2. 2116
  3. 3481
  4. 2304
  5. 3969
  6. 1849
  7. 1369
  8. 676
  9. 1089
  10. 2304
  11. 3249
  12. 1156
  13. 3136
  14. 5476
  15. 2304
  16. 1936
  17. 1444
  18. 3136
  19. 9604
  20. 7921
  21. 529
  22. 1764
  23. 1444
  24. 5625
  25. 6889
  26. 729
  27. 4225
  28. 169
  29. 3721
  30. 361
  31. 961
  32. 4489
  33. 6561
  34. 484
  35. 6241
  36. 3969
  37. 225
  38. 4489
  39. 3481
  40. 4761

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