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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 99 · 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. 1.83² =
  2. 2.68² =
  3. 3.12² =
  4. 4.71² =
  5. 5.14² =
  6. 6.86² =
  7. 7.91² =
  8. 8.64² =
  9. 9.71² =
  10. 10.23² =
  11. 11.89² =
  12. 12.26² =
  13. 13.69² =
  14. 14.25² =
  15. 15.14² =
  16. 16.81² =
  17. 17.96² =
  18. 18.97² =
  19. 19.65² =
  20. 20.41² =
  21. 21.41² =
  22. 22.12² =
  23. 23.33² =
  24. 24.22² =
  25. 25.66² =
  26. 26.81² =
  27. 27.76² =
  28. 28.38² =
  29. 29.12² =
  30. 30.23² =
  31. 31.95² =
  32. 32.55² =
  33. 33.56² =
  34. 34.94² =
  35. 35.22² =
  36. 36.24² =
  37. 37.28² =
  38. 38.31² =
  39. 39.75² =
  40. 40.71² =

Answer key

  1. 6889
  2. 4624
  3. 144
  4. 5041
  5. 196
  6. 7396
  7. 8281
  8. 4096
  9. 5041
  10. 529
  11. 7921
  12. 676
  13. 4761
  14. 625
  15. 196
  16. 6561
  17. 9216
  18. 9409
  19. 4225
  20. 1681
  21. 1681
  22. 144
  23. 1089
  24. 484
  25. 4356
  26. 6561
  27. 5776
  28. 1444
  29. 144
  30. 529
  31. 9025
  32. 3025
  33. 3136
  34. 8836
  35. 484
  36. 576
  37. 784
  38. 961
  39. 5625
  40. 5041

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