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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 818 · 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. 1.48² =
  2. 2.61² =
  3. 3.28² =
  4. 4.93² =
  5. 5.16² =
  6. 6.19² =
  7. 7.42² =
  8. 8.15² =
  9. 9.75² =
  10. 10.44² =
  11. 11.23² =
  12. 12.47² =
  13. 13.68² =
  14. 14.19² =
  15. 15.67² =
  16. 16.46² =
  17. 17.13² =
  18. 18.46² =
  19. 19.91² =
  20. 20.29² =
  21. 21.16² =
  22. 22.27² =
  23. 23.25² =
  24. 24.55² =
  25. 25.11² =
  26. 26.66² =
  27. 27.31² =
  28. 28.69² =
  29. 29.81² =
  30. 30.82² =
  31. 31.62² =
  32. 32.64² =
  33. 33.56² =
  34. 34.58² =
  35. 35.46² =
  36. 36.81² =
  37. 37.81² =
  38. 38.57² =
  39. 39.95² =
  40. 40.89² =

Answer key

  1. 2304
  2. 3721
  3. 784
  4. 8649
  5. 256
  6. 361
  7. 1764
  8. 225
  9. 5625
  10. 1936
  11. 529
  12. 2209
  13. 4624
  14. 361
  15. 4489
  16. 2116
  17. 169
  18. 2116
  19. 8281
  20. 841
  21. 256
  22. 729
  23. 625
  24. 3025
  25. 121
  26. 4356
  27. 961
  28. 4761
  29. 6561
  30. 6724
  31. 3844
  32. 4096
  33. 3136
  34. 3364
  35. 2116
  36. 6561
  37. 6561
  38. 3249
  39. 9025
  40. 7921

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