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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 232 · 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. 1.14² =
  2. 2.78² =
  3. 3.69² =
  4. 4.91² =
  5. 5.37² =
  6. 6.91² =
  7. 7.31² =
  8. 8.51² =
  9. 9.86² =
  10. 10.17² =
  11. 11.21² =
  12. 12.89² =
  13. 13.87² =
  14. 14.63² =
  15. 15.44² =
  16. 16.15² =
  17. 17.63² =
  18. 18.34² =
  19. 19.65² =
  20. 20.54² =
  21. 21.22² =
  22. 22.71² =
  23. 23.98² =
  24. 24.13² =
  25. 25.33² =
  26. 26.39² =
  27. 27.92² =
  28. 28.31² =
  29. 29.45² =
  30. 30.81² =
  31. 31.42² =
  32. 32.56² =
  33. 33.21² =
  34. 34.59² =
  35. 35.69² =
  36. 36.57² =
  37. 37.48² =
  38. 38.22² =
  39. 39.16² =
  40. 40.55² =

Answer key

  1. 196
  2. 6084
  3. 4761
  4. 8281
  5. 1369
  6. 8281
  7. 961
  8. 2601
  9. 7396
  10. 289
  11. 441
  12. 7921
  13. 7569
  14. 3969
  15. 1936
  16. 225
  17. 3969
  18. 1156
  19. 4225
  20. 2916
  21. 484
  22. 5041
  23. 9604
  24. 169
  25. 1089
  26. 1521
  27. 8464
  28. 961
  29. 2025
  30. 6561
  31. 1764
  32. 3136
  33. 441
  34. 3481
  35. 4761
  36. 3249
  37. 2304
  38. 484
  39. 256
  40. 3025

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