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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 770 · 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. 1.81² =
  2. 2.61² =
  3. 3.16² =
  4. 4.78² =
  5. 5.91² =
  6. 6.21² =
  7. 7.82² =
  8. 8.72² =
  9. 9.73² =
  10. 10.54² =
  11. 11.71² =
  12. 12.62² =
  13. 13.78² =
  14. 14.27² =
  15. 15.34² =
  16. 16.22² =
  17. 17.14² =
  18. 18.86² =
  19. 19.94² =
  20. 20.99² =
  21. 21.97² =
  22. 22.78² =
  23. 23.95² =
  24. 24.89² =
  25. 25.73² =
  26. 26.18² =
  27. 27.42² =
  28. 28.77² =
  29. 29.76² =
  30. 30.38² =
  31. 31.44² =
  32. 32.41² =
  33. 33.55² =
  34. 34.65² =
  35. 35.56² =
  36. 36.62² =
  37. 37.89² =
  38. 38.48² =
  39. 39.22² =
  40. 40.21² =

Answer key

  1. 6561
  2. 3721
  3. 256
  4. 6084
  5. 8281
  6. 441
  7. 6724
  8. 5184
  9. 5329
  10. 2916
  11. 5041
  12. 3844
  13. 6084
  14. 729
  15. 1156
  16. 484
  17. 196
  18. 7396
  19. 8836
  20. 9801
  21. 9409
  22. 6084
  23. 9025
  24. 7921
  25. 5329
  26. 324
  27. 1764
  28. 5929
  29. 5776
  30. 1444
  31. 1936
  32. 1681
  33. 3025
  34. 4225
  35. 3136
  36. 3844
  37. 7921
  38. 2304
  39. 484
  40. 441

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