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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 707 · 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. 1.77² =
  2. 2.61² =
  3. 3.95² =
  4. 4.73² =
  5. 5.63² =
  6. 6.19² =
  7. 7.13² =
  8. 8.75² =
  9. 9.35² =
  10. 10.36² =
  11. 11.53² =
  12. 12.34² =
  13. 13.83² =
  14. 14.25² =
  15. 15.38² =
  16. 16.25² =
  17. 17.69² =
  18. 18.92² =
  19. 19.21² =
  20. 20.43² =
  21. 21.63² =
  22. 22.36² =
  23. 23.47² =
  24. 24.77² =
  25. 25.47² =
  26. 26.36² =
  27. 27.18² =
  28. 28.14² =
  29. 29.83² =
  30. 30.67² =
  31. 31.19² =
  32. 32.81² =
  33. 33.41² =
  34. 34.27² =
  35. 35.28² =
  36. 36.47² =
  37. 37.95² =
  38. 38.66² =
  39. 39.52² =
  40. 40.81² =

Answer key

  1. 5929
  2. 3721
  3. 9025
  4. 5329
  5. 3969
  6. 361
  7. 169
  8. 5625
  9. 1225
  10. 1296
  11. 2809
  12. 1156
  13. 6889
  14. 625
  15. 1444
  16. 625
  17. 4761
  18. 8464
  19. 441
  20. 1849
  21. 3969
  22. 1296
  23. 2209
  24. 5929
  25. 2209
  26. 1296
  27. 324
  28. 196
  29. 6889
  30. 4489
  31. 361
  32. 6561
  33. 1681
  34. 729
  35. 784
  36. 2209
  37. 9025
  38. 4356
  39. 2704
  40. 6561

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