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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 345 · 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. 1.76² =
  2. 2.31² =
  3. 3.52² =
  4. 4.52² =
  5. 5.96² =
  6. 6.17² =
  7. 7.49² =
  8. 8.38² =
  9. 9.63² =
  10. 10.83² =
  11. 11.34² =
  12. 12.81² =
  13. 13.61² =
  14. 14.29² =
  15. 15.42² =
  16. 16.41² =
  17. 17.46² =
  18. 18.73² =
  19. 19.95² =
  20. 20.24² =
  21. 21.84² =
  22. 22.28² =
  23. 23.81² =
  24. 24.32² =
  25. 25.24² =
  26. 26.37² =
  27. 27.15² =
  28. 28.98² =
  29. 29.31² =
  30. 30.45² =
  31. 31.31² =
  32. 32.31² =
  33. 33.46² =
  34. 34.89² =
  35. 35.37² =
  36. 36.74² =
  37. 37.79² =
  38. 38.14² =
  39. 39.38² =
  40. 40.15² =

Answer key

  1. 5776
  2. 961
  3. 2704
  4. 2704
  5. 9216
  6. 289
  7. 2401
  8. 1444
  9. 3969
  10. 6889
  11. 1156
  12. 6561
  13. 3721
  14. 841
  15. 1764
  16. 1681
  17. 2116
  18. 5329
  19. 9025
  20. 576
  21. 7056
  22. 784
  23. 6561
  24. 1024
  25. 576
  26. 1369
  27. 225
  28. 9604
  29. 961
  30. 2025
  31. 961
  32. 961
  33. 2116
  34. 7921
  35. 1369
  36. 5476
  37. 6241
  38. 196
  39. 1444
  40. 225

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