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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 810 · 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. 2.23² =
  3. 3.91² =
  4. 4.57² =
  5. 5.78² =
  6. 6.96² =
  7. 7.12² =
  8. 8.37² =
  9. 9.67² =
  10. 10.23² =
  11. 11.67² =
  12. 12.28² =
  13. 13.42² =
  14. 14.44² =
  15. 15.68² =
  16. 16.86² =
  17. 17.37² =
  18. 18.13² =
  19. 19.32² =
  20. 20.42² =
  21. 21.78² =
  22. 22.33² =
  23. 23.13² =
  24. 24.31² =
  25. 25.97² =
  26. 26.51² =
  27. 27.64² =
  28. 28.33² =
  29. 29.66² =
  30. 30.21² =
  31. 31.61² =
  32. 32.46² =
  33. 33.79² =
  34. 34.87² =
  35. 35.45² =
  36. 36.12² =
  37. 37.23² =
  38. 38.33² =
  39. 39.99² =
  40. 40.98² =

Answer key

  1. 1764
  2. 529
  3. 8281
  4. 3249
  5. 6084
  6. 9216
  7. 144
  8. 1369
  9. 4489
  10. 529
  11. 4489
  12. 784
  13. 1764
  14. 1936
  15. 4624
  16. 7396
  17. 1369
  18. 169
  19. 1024
  20. 1764
  21. 6084
  22. 1089
  23. 169
  24. 961
  25. 9409
  26. 2601
  27. 4096
  28. 1089
  29. 4356
  30. 441
  31. 3721
  32. 2116
  33. 6241
  34. 7569
  35. 2025
  36. 144
  37. 529
  38. 1089
  39. 9801
  40. 9604

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