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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 740 · 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. 1.21² =
  2. 2.41² =
  3. 3.78² =
  4. 4.71² =
  5. 5.95² =
  6. 6.18² =
  7. 7.15² =
  8. 8.59² =
  9. 9.12² =
  10. 10.19² =
  11. 11.53² =
  12. 12.29² =
  13. 13.74² =
  14. 14.31² =
  15. 15.31² =
  16. 16.69² =
  17. 17.12² =
  18. 18.28² =
  19. 19.61² =
  20. 20.44² =
  21. 21.11² =
  22. 22.84² =
  23. 23.84² =
  24. 24.56² =
  25. 25.31² =
  26. 26.48² =
  27. 27.79² =
  28. 28.21² =
  29. 29.54² =
  30. 30.31² =
  31. 31.28² =
  32. 32.81² =
  33. 33.98² =
  34. 34.25² =
  35. 35.25² =
  36. 36.19² =
  37. 37.38² =
  38. 38.31² =
  39. 39.12² =
  40. 40.27² =

Answer key

  1. 441
  2. 1681
  3. 6084
  4. 5041
  5. 9025
  6. 324
  7. 225
  8. 3481
  9. 144
  10. 361
  11. 2809
  12. 841
  13. 5476
  14. 961
  15. 961
  16. 4761
  17. 144
  18. 784
  19. 3721
  20. 1936
  21. 121
  22. 7056
  23. 7056
  24. 3136
  25. 961
  26. 2304
  27. 6241
  28. 441
  29. 2916
  30. 961
  31. 784
  32. 6561
  33. 9604
  34. 625
  35. 625
  36. 361
  37. 1444
  38. 961
  39. 144
  40. 729

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