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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 939 · 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. 1.46² =
  2. 2.89² =
  3. 3.72² =
  4. 4.54² =
  5. 5.84² =
  6. 6.94² =
  7. 7.92² =
  8. 8.99² =
  9. 9.36² =
  10. 10.76² =
  11. 11.47² =
  12. 12.67² =
  13. 13.83² =
  14. 14.48² =
  15. 15.14² =
  16. 16.21² =
  17. 17.59² =
  18. 18.24² =
  19. 19.71² =
  20. 20.58² =
  21. 21.19² =
  22. 22.65² =
  23. 23.22² =
  24. 24.29² =
  25. 25.14² =
  26. 26.57² =
  27. 27.69² =
  28. 28.73² =
  29. 29.23² =
  30. 30.98² =
  31. 31.51² =
  32. 32.86² =
  33. 33.15² =
  34. 34.49² =
  35. 35.23² =
  36. 36.18² =
  37. 37.32² =
  38. 38.31² =
  39. 39.65² =
  40. 40.74² =

Answer key

  1. 2116
  2. 7921
  3. 5184
  4. 2916
  5. 7056
  6. 8836
  7. 8464
  8. 9801
  9. 1296
  10. 5776
  11. 2209
  12. 4489
  13. 6889
  14. 2304
  15. 196
  16. 441
  17. 3481
  18. 576
  19. 5041
  20. 3364
  21. 361
  22. 4225
  23. 484
  24. 841
  25. 196
  26. 3249
  27. 4761
  28. 5329
  29. 529
  30. 9604
  31. 2601
  32. 7396
  33. 225
  34. 2401
  35. 529
  36. 324
  37. 1024
  38. 961
  39. 4225
  40. 5476

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