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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 711 · 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. 1.41² =
  2. 2.82² =
  3. 3.69² =
  4. 4.58² =
  5. 5.42² =
  6. 6.82² =
  7. 7.87² =
  8. 8.25² =
  9. 9.32² =
  10. 10.92² =
  11. 11.61² =
  12. 12.48² =
  13. 13.93² =
  14. 14.79² =
  15. 15.25² =
  16. 16.37² =
  17. 17.47² =
  18. 18.39² =
  19. 19.16² =
  20. 20.68² =
  21. 21.48² =
  22. 22.87² =
  23. 23.43² =
  24. 24.13² =
  25. 25.71² =
  26. 26.45² =
  27. 27.31² =
  28. 28.71² =
  29. 29.74² =
  30. 30.69² =
  31. 31.32² =
  32. 32.93² =
  33. 33.27² =
  34. 34.95² =
  35. 35.29² =
  36. 36.73² =
  37. 37.41² =
  38. 38.23² =
  39. 39.69² =
  40. 40.81² =

Answer key

  1. 1681
  2. 6724
  3. 4761
  4. 3364
  5. 1764
  6. 6724
  7. 7569
  8. 625
  9. 1024
  10. 8464
  11. 3721
  12. 2304
  13. 8649
  14. 6241
  15. 625
  16. 1369
  17. 2209
  18. 1521
  19. 256
  20. 4624
  21. 2304
  22. 7569
  23. 1849
  24. 169
  25. 5041
  26. 2025
  27. 961
  28. 5041
  29. 5476
  30. 4761
  31. 1024
  32. 8649
  33. 729
  34. 9025
  35. 841
  36. 5329
  37. 1681
  38. 529
  39. 4761
  40. 6561

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