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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 873 · 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. 1.22² =
  2. 2.34² =
  3. 3.41² =
  4. 4.24² =
  5. 5.31² =
  6. 6.29² =
  7. 7.27² =
  8. 8.25² =
  9. 9.14² =
  10. 10.16² =
  11. 11.19² =
  12. 12.13² =
  13. 13.73² =
  14. 14.17² =
  15. 15.11² =
  16. 16.31² =
  17. 17.47² =
  18. 18.84² =
  19. 19.56² =
  20. 20.24² =
  21. 21.73² =
  22. 22.23² =
  23. 23.82² =
  24. 24.64² =
  25. 25.64² =
  26. 26.32² =
  27. 27.29² =
  28. 28.88² =
  29. 29.16² =
  30. 30.62² =
  31. 31.67² =
  32. 32.58² =
  33. 33.72² =
  34. 34.89² =
  35. 35.81² =
  36. 36.88² =
  37. 37.91² =
  38. 38.11² =
  39. 39.62² =
  40. 40.52² =

Answer key

  1. 484
  2. 1156
  3. 1681
  4. 576
  5. 961
  6. 841
  7. 729
  8. 625
  9. 196
  10. 256
  11. 361
  12. 169
  13. 5329
  14. 289
  15. 121
  16. 961
  17. 2209
  18. 7056
  19. 3136
  20. 576
  21. 5329
  22. 529
  23. 6724
  24. 4096
  25. 4096
  26. 1024
  27. 841
  28. 7744
  29. 256
  30. 3844
  31. 4489
  32. 3364
  33. 5184
  34. 7921
  35. 6561
  36. 7744
  37. 8281
  38. 121
  39. 3844
  40. 2704

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