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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 223 · 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. 1.39² =
  2. 2.95² =
  3. 3.23² =
  4. 4.45² =
  5. 5.81² =
  6. 6.72² =
  7. 7.29² =
  8. 8.13² =
  9. 9.22² =
  10. 10.14² =
  11. 11.65² =
  12. 12.77² =
  13. 13.44² =
  14. 14.36² =
  15. 15.32² =
  16. 16.12² =
  17. 17.43² =
  18. 18.95² =
  19. 19.74² =
  20. 20.61² =
  21. 21.19² =
  22. 22.47² =
  23. 23.97² =
  24. 24.69² =
  25. 25.99² =
  26. 26.16² =
  27. 27.81² =
  28. 28.11² =
  29. 29.47² =
  30. 30.32² =
  31. 31.84² =
  32. 32.41² =
  33. 33.39² =
  34. 34.47² =
  35. 35.91² =
  36. 36.27² =
  37. 37.64² =
  38. 38.33² =
  39. 39.88² =
  40. 40.58² =

Answer key

  1. 1521
  2. 9025
  3. 529
  4. 2025
  5. 6561
  6. 5184
  7. 841
  8. 169
  9. 484
  10. 196
  11. 4225
  12. 5929
  13. 1936
  14. 1296
  15. 1024
  16. 144
  17. 1849
  18. 9025
  19. 5476
  20. 3721
  21. 361
  22. 2209
  23. 9409
  24. 4761
  25. 9801
  26. 256
  27. 6561
  28. 121
  29. 2209
  30. 1024
  31. 7056
  32. 1681
  33. 1521
  34. 2209
  35. 8281
  36. 729
  37. 4096
  38. 1089
  39. 7744
  40. 3364

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