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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 871 · 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. 1.21² =
  2. 2.11² =
  3. 3.63² =
  4. 4.69² =
  5. 5.85² =
  6. 6.19² =
  7. 7.55² =
  8. 8.43² =
  9. 9.41² =
  10. 10.38² =
  11. 11.23² =
  12. 12.64² =
  13. 13.47² =
  14. 14.98² =
  15. 15.89² =
  16. 16.65² =
  17. 17.91² =
  18. 18.91² =
  19. 19.61² =
  20. 20.12² =
  21. 21.51² =
  22. 22.61² =
  23. 23.25² =
  24. 24.35² =
  25. 25.52² =
  26. 26.26² =
  27. 27.27² =
  28. 28.76² =
  29. 29.51² =
  30. 30.64² =
  31. 31.85² =
  32. 32.91² =
  33. 33.51² =
  34. 34.48² =
  35. 35.18² =
  36. 36.28² =
  37. 37.13² =
  38. 38.21² =
  39. 39.38² =
  40. 40.36² =

Answer key

  1. 441
  2. 121
  3. 3969
  4. 4761
  5. 7225
  6. 361
  7. 3025
  8. 1849
  9. 1681
  10. 1444
  11. 529
  12. 4096
  13. 2209
  14. 9604
  15. 7921
  16. 4225
  17. 8281
  18. 8281
  19. 3721
  20. 144
  21. 2601
  22. 3721
  23. 625
  24. 1225
  25. 2704
  26. 676
  27. 729
  28. 5776
  29. 2601
  30. 4096
  31. 7225
  32. 8281
  33. 2601
  34. 2304
  35. 324
  36. 784
  37. 169
  38. 441
  39. 1444
  40. 1296

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