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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 905 · 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. 1.27² =
  2. 2.12² =
  3. 3.78² =
  4. 4.98² =
  5. 5.13² =
  6. 6.31² =
  7. 7.72² =
  8. 8.79² =
  9. 9.42² =
  10. 10.99² =
  11. 11.42² =
  12. 12.47² =
  13. 13.12² =
  14. 14.35² =
  15. 15.21² =
  16. 16.49² =
  17. 17.61² =
  18. 18.86² =
  19. 19.56² =
  20. 20.63² =
  21. 21.89² =
  22. 22.91² =
  23. 23.69² =
  24. 24.32² =
  25. 25.94² =
  26. 26.58² =
  27. 27.63² =
  28. 28.95² =
  29. 29.16² =
  30. 30.96² =
  31. 31.56² =
  32. 32.71² =
  33. 33.64² =
  34. 34.26² =
  35. 35.46² =
  36. 36.86² =
  37. 37.66² =
  38. 38.25² =
  39. 39.94² =
  40. 40.38² =

Answer key

  1. 729
  2. 144
  3. 6084
  4. 9604
  5. 169
  6. 961
  7. 5184
  8. 6241
  9. 1764
  10. 9801
  11. 1764
  12. 2209
  13. 144
  14. 1225
  15. 441
  16. 2401
  17. 3721
  18. 7396
  19. 3136
  20. 3969
  21. 7921
  22. 8281
  23. 4761
  24. 1024
  25. 8836
  26. 3364
  27. 3969
  28. 9025
  29. 256
  30. 9216
  31. 3136
  32. 5041
  33. 4096
  34. 676
  35. 2116
  36. 7396
  37. 4356
  38. 625
  39. 8836
  40. 1444

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