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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 530 · 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. 1.19² =
  2. 2.82² =
  3. 3.64² =
  4. 4.18² =
  5. 5.99² =
  6. 6.68² =
  7. 7.16² =
  8. 8.14² =
  9. 9.25² =
  10. 10.69² =
  11. 11.71² =
  12. 12.28² =
  13. 13.34² =
  14. 14.71² =
  15. 15.29² =
  16. 16.81² =
  17. 17.13² =
  18. 18.77² =
  19. 19.26² =
  20. 20.32² =
  21. 21.25² =
  22. 22.99² =
  23. 23.68² =
  24. 24.67² =
  25. 25.81² =
  26. 26.31² =
  27. 27.86² =
  28. 28.95² =
  29. 29.82² =
  30. 30.83² =
  31. 31.44² =
  32. 32.56² =
  33. 33.86² =
  34. 34.39² =
  35. 35.96² =
  36. 36.99² =
  37. 37.53² =
  38. 38.61² =
  39. 39.37² =
  40. 40.75² =

Answer key

  1. 361
  2. 6724
  3. 4096
  4. 324
  5. 9801
  6. 4624
  7. 256
  8. 196
  9. 625
  10. 4761
  11. 5041
  12. 784
  13. 1156
  14. 5041
  15. 841
  16. 6561
  17. 169
  18. 5929
  19. 676
  20. 1024
  21. 625
  22. 9801
  23. 4624
  24. 4489
  25. 6561
  26. 961
  27. 7396
  28. 9025
  29. 6724
  30. 6889
  31. 1936
  32. 3136
  33. 7396
  34. 1521
  35. 9216
  36. 9801
  37. 2809
  38. 3721
  39. 1369
  40. 5625

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