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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 310 · 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. 1.13² =
  2. 2.67² =
  3. 3.28² =
  4. 4.64² =
  5. 5.75² =
  6. 6.45² =
  7. 7.15² =
  8. 8.88² =
  9. 9.52² =
  10. 10.65² =
  11. 11.92² =
  12. 12.93² =
  13. 13.37² =
  14. 14.66² =
  15. 15.41² =
  16. 16.53² =
  17. 17.26² =
  18. 18.94² =
  19. 19.77² =
  20. 20.84² =
  21. 21.91² =
  22. 22.54² =
  23. 23.44² =
  24. 24.38² =
  25. 25.77² =
  26. 26.64² =
  27. 27.69² =
  28. 28.15² =
  29. 29.37² =
  30. 30.91² =
  31. 31.91² =
  32. 32.26² =
  33. 33.81² =
  34. 34.96² =
  35. 35.14² =
  36. 36.99² =
  37. 37.22² =
  38. 38.84² =
  39. 39.45² =
  40. 40.13² =

Answer key

  1. 169
  2. 4489
  3. 784
  4. 4096
  5. 5625
  6. 2025
  7. 225
  8. 7744
  9. 2704
  10. 4225
  11. 8464
  12. 8649
  13. 1369
  14. 4356
  15. 1681
  16. 2809
  17. 676
  18. 8836
  19. 5929
  20. 7056
  21. 8281
  22. 2916
  23. 1936
  24. 1444
  25. 5929
  26. 4096
  27. 4761
  28. 225
  29. 1369
  30. 8281
  31. 8281
  32. 676
  33. 6561
  34. 9216
  35. 196
  36. 9801
  37. 484
  38. 7056
  39. 2025
  40. 169

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