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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 449 · 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. 1.46² =
  2. 2.52² =
  3. 3.57² =
  4. 4.78² =
  5. 5.43² =
  6. 6.15² =
  7. 7.13² =
  8. 8.91² =
  9. 9.11² =
  10. 10.13² =
  11. 11.13² =
  12. 12.81² =
  13. 13.55² =
  14. 14.51² =
  15. 15.21² =
  16. 16.24² =
  17. 17.44² =
  18. 18.99² =
  19. 19.29² =
  20. 20.33² =
  21. 21.87² =
  22. 22.64² =
  23. 23.75² =
  24. 24.29² =
  25. 25.99² =
  26. 26.51² =
  27. 27.42² =
  28. 28.11² =
  29. 29.45² =
  30. 30.59² =
  31. 31.22² =
  32. 32.28² =
  33. 33.77² =
  34. 34.18² =
  35. 35.82² =
  36. 36.26² =
  37. 37.21² =
  38. 38.34² =
  39. 39.34² =
  40. 40.71² =

Answer key

  1. 2116
  2. 2704
  3. 3249
  4. 6084
  5. 1849
  6. 225
  7. 169
  8. 8281
  9. 121
  10. 169
  11. 169
  12. 6561
  13. 3025
  14. 2601
  15. 441
  16. 576
  17. 1936
  18. 9801
  19. 841
  20. 1089
  21. 7569
  22. 4096
  23. 5625
  24. 841
  25. 9801
  26. 2601
  27. 1764
  28. 121
  29. 2025
  30. 3481
  31. 484
  32. 784
  33. 5929
  34. 324
  35. 6724
  36. 676
  37. 441
  38. 1156
  39. 1156
  40. 5041

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