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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 403 · 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. 2.13² =
  3. 3.89² =
  4. 4.31² =
  5. 5.47² =
  6. 6.76² =
  7. 7.26² =
  8. 8.92² =
  9. 9.64² =
  10. 10.59² =
  11. 11.44² =
  12. 12.54² =
  13. 13.31² =
  14. 14.44² =
  15. 15.81² =
  16. 16.17² =
  17. 17.27² =
  18. 18.95² =
  19. 19.71² =
  20. 20.98² =
  21. 21.46² =
  22. 22.69² =
  23. 23.14² =
  24. 24.33² =
  25. 25.51² =
  26. 26.11² =
  27. 27.41² =
  28. 28.76² =
  29. 29.17² =
  30. 30.93² =
  31. 31.69² =
  32. 32.41² =
  33. 33.61² =
  34. 34.23² =
  35. 35.14² =
  36. 36.53² =
  37. 37.42² =
  38. 38.69² =
  39. 39.23² =
  40. 40.91² =

Answer key

  1. 361
  2. 169
  3. 7921
  4. 961
  5. 2209
  6. 5776
  7. 676
  8. 8464
  9. 4096
  10. 3481
  11. 1936
  12. 2916
  13. 961
  14. 1936
  15. 6561
  16. 289
  17. 729
  18. 9025
  19. 5041
  20. 9604
  21. 2116
  22. 4761
  23. 196
  24. 1089
  25. 2601
  26. 121
  27. 1681
  28. 5776
  29. 289
  30. 8649
  31. 4761
  32. 1681
  33. 3721
  34. 529
  35. 196
  36. 2809
  37. 1764
  38. 4761
  39. 529
  40. 8281

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