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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 381 · 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. 1.49² =
  2. 2.83² =
  3. 3.96² =
  4. 4.19² =
  5. 5.94² =
  6. 6.72² =
  7. 7.92² =
  8. 8.12² =
  9. 9.31² =
  10. 10.21² =
  11. 11.26² =
  12. 12.81² =
  13. 13.98² =
  14. 14.42² =
  15. 15.81² =
  16. 16.28² =
  17. 17.88² =
  18. 18.19² =
  19. 19.64² =
  20. 20.71² =
  21. 21.37² =
  22. 22.13² =
  23. 23.46² =
  24. 24.58² =
  25. 25.44² =
  26. 26.33² =
  27. 27.75² =
  28. 28.95² =
  29. 29.52² =
  30. 30.31² =
  31. 31.99² =
  32. 32.64² =
  33. 33.12² =
  34. 34.17² =
  35. 35.16² =
  36. 36.32² =
  37. 37.81² =
  38. 38.81² =
  39. 39.98² =
  40. 40.26² =

Answer key

  1. 2401
  2. 6889
  3. 9216
  4. 361
  5. 8836
  6. 5184
  7. 8464
  8. 144
  9. 961
  10. 441
  11. 676
  12. 6561
  13. 9604
  14. 1764
  15. 6561
  16. 784
  17. 7744
  18. 361
  19. 4096
  20. 5041
  21. 1369
  22. 169
  23. 2116
  24. 3364
  25. 1936
  26. 1089
  27. 5625
  28. 9025
  29. 2704
  30. 961
  31. 9801
  32. 4096
  33. 144
  34. 289
  35. 256
  36. 1024
  37. 6561
  38. 6561
  39. 9604
  40. 676

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