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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 473 · 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. 1.51² =
  2. 2.22² =
  3. 3.78² =
  4. 4.89² =
  5. 5.74² =
  6. 6.78² =
  7. 7.45² =
  8. 8.37² =
  9. 9.13² =
  10. 10.18² =
  11. 11.27² =
  12. 12.97² =
  13. 13.95² =
  14. 14.62² =
  15. 15.63² =
  16. 16.35² =
  17. 17.87² =
  18. 18.95² =
  19. 19.57² =
  20. 20.13² =
  21. 21.41² =
  22. 22.59² =
  23. 23.51² =
  24. 24.99² =
  25. 25.81² =
  26. 26.69² =
  27. 27.69² =
  28. 28.87² =
  29. 29.96² =
  30. 30.31² =
  31. 31.19² =
  32. 32.59² =
  33. 33.45² =
  34. 34.26² =
  35. 35.66² =
  36. 36.97² =
  37. 37.52² =
  38. 38.91² =
  39. 39.78² =
  40. 40.39² =

Answer key

  1. 2601
  2. 484
  3. 6084
  4. 7921
  5. 5476
  6. 6084
  7. 2025
  8. 1369
  9. 169
  10. 324
  11. 729
  12. 9409
  13. 9025
  14. 3844
  15. 3969
  16. 1225
  17. 7569
  18. 9025
  19. 3249
  20. 169
  21. 1681
  22. 3481
  23. 2601
  24. 9801
  25. 6561
  26. 4761
  27. 4761
  28. 7569
  29. 9216
  30. 961
  31. 361
  32. 3481
  33. 2025
  34. 676
  35. 4356
  36. 9409
  37. 2704
  38. 8281
  39. 6084
  40. 1521

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