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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 304 · 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. 1.42² =
  2. 2.21² =
  3. 3.54² =
  4. 4.16² =
  5. 5.78² =
  6. 6.29² =
  7. 7.19² =
  8. 8.66² =
  9. 9.64² =
  10. 10.23² =
  11. 11.71² =
  12. 12.31² =
  13. 13.45² =
  14. 14.84² =
  15. 15.12² =
  16. 16.23² =
  17. 17.98² =
  18. 18.63² =
  19. 19.55² =
  20. 20.91² =
  21. 21.13² =
  22. 22.74² =
  23. 23.96² =
  24. 24.63² =
  25. 25.79² =
  26. 26.87² =
  27. 27.55² =
  28. 28.19² =
  29. 29.32² =
  30. 30.51² =
  31. 31.62² =
  32. 32.35² =
  33. 33.16² =
  34. 34.96² =
  35. 35.44² =
  36. 36.21² =
  37. 37.78² =
  38. 38.38² =
  39. 39.87² =
  40. 40.87² =

Answer key

  1. 1764
  2. 441
  3. 2916
  4. 256
  5. 6084
  6. 841
  7. 361
  8. 4356
  9. 4096
  10. 529
  11. 5041
  12. 961
  13. 2025
  14. 7056
  15. 144
  16. 529
  17. 9604
  18. 3969
  19. 3025
  20. 8281
  21. 169
  22. 5476
  23. 9216
  24. 3969
  25. 6241
  26. 7569
  27. 3025
  28. 361
  29. 1024
  30. 2601
  31. 3844
  32. 1225
  33. 256
  34. 9216
  35. 1936
  36. 441
  37. 6084
  38. 1444
  39. 7569
  40. 7569

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