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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 224 · 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. 1.96² =
  2. 2.39² =
  3. 3.51² =
  4. 4.78² =
  5. 5.64² =
  6. 6.99² =
  7. 7.28² =
  8. 8.98² =
  9. 9.97² =
  10. 10.37² =
  11. 11.64² =
  12. 12.58² =
  13. 13.86² =
  14. 14.37² =
  15. 15.73² =
  16. 16.21² =
  17. 17.81² =
  18. 18.43² =
  19. 19.44² =
  20. 20.99² =
  21. 21.59² =
  22. 22.82² =
  23. 23.38² =
  24. 24.72² =
  25. 25.48² =
  26. 26.76² =
  27. 27.52² =
  28. 28.99² =
  29. 29.93² =
  30. 30.45² =
  31. 31.27² =
  32. 32.78² =
  33. 33.39² =
  34. 34.68² =
  35. 35.43² =
  36. 36.53² =
  37. 37.21² =
  38. 38.11² =
  39. 39.49² =
  40. 40.68² =

Answer key

  1. 9216
  2. 1521
  3. 2601
  4. 6084
  5. 4096
  6. 9801
  7. 784
  8. 9604
  9. 9409
  10. 1369
  11. 4096
  12. 3364
  13. 7396
  14. 1369
  15. 5329
  16. 441
  17. 6561
  18. 1849
  19. 1936
  20. 9801
  21. 3481
  22. 6724
  23. 1444
  24. 5184
  25. 2304
  26. 5776
  27. 2704
  28. 9801
  29. 8649
  30. 2025
  31. 729
  32. 6084
  33. 1521
  34. 4624
  35. 1849
  36. 2809
  37. 441
  38. 121
  39. 2401
  40. 4624

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