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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 990 · 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. 1.95² =
  2. 2.11² =
  3. 3.12² =
  4. 4.67² =
  5. 5.86² =
  6. 6.69² =
  7. 7.24² =
  8. 8.56² =
  9. 9.56² =
  10. 10.25² =
  11. 11.35² =
  12. 12.19² =
  13. 13.26² =
  14. 14.71² =
  15. 15.84² =
  16. 16.81² =
  17. 17.69² =
  18. 18.99² =
  19. 19.41² =
  20. 20.89² =
  21. 21.97² =
  22. 22.29² =
  23. 23.21² =
  24. 24.71² =
  25. 25.81² =
  26. 26.67² =
  27. 27.39² =
  28. 28.24² =
  29. 29.15² =
  30. 30.79² =
  31. 31.33² =
  32. 32.51² =
  33. 33.67² =
  34. 34.16² =
  35. 35.56² =
  36. 36.18² =
  37. 37.47² =
  38. 38.85² =
  39. 39.92² =
  40. 40.32² =

Answer key

  1. 9025
  2. 121
  3. 144
  4. 4489
  5. 7396
  6. 4761
  7. 576
  8. 3136
  9. 3136
  10. 625
  11. 1225
  12. 361
  13. 676
  14. 5041
  15. 7056
  16. 6561
  17. 4761
  18. 9801
  19. 1681
  20. 7921
  21. 9409
  22. 841
  23. 441
  24. 5041
  25. 6561
  26. 4489
  27. 1521
  28. 576
  29. 225
  30. 6241
  31. 1089
  32. 2601
  33. 4489
  34. 256
  35. 3136
  36. 324
  37. 2209
  38. 7225
  39. 8464
  40. 1024

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