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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 200 · 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. 1.39² =
  2. 2.49² =
  3. 3.33² =
  4. 4.53² =
  5. 5.58² =
  6. 6.49² =
  7. 7.44² =
  8. 8.78² =
  9. 9.51² =
  10. 10.34² =
  11. 11.99² =
  12. 12.79² =
  13. 13.86² =
  14. 14.88² =
  15. 15.75² =
  16. 16.66² =
  17. 17.25² =
  18. 18.31² =
  19. 19.98² =
  20. 20.36² =
  21. 21.76² =
  22. 22.64² =
  23. 23.34² =
  24. 24.56² =
  25. 25.21² =
  26. 26.76² =
  27. 27.27² =
  28. 28.76² =
  29. 29.43² =
  30. 30.76² =
  31. 31.51² =
  32. 32.15² =
  33. 33.97² =
  34. 34.26² =
  35. 35.61² =
  36. 36.51² =
  37. 37.39² =
  38. 38.95² =
  39. 39.75² =
  40. 40.45² =

Answer key

  1. 1521
  2. 2401
  3. 1089
  4. 2809
  5. 3364
  6. 2401
  7. 1936
  8. 6084
  9. 2601
  10. 1156
  11. 9801
  12. 6241
  13. 7396
  14. 7744
  15. 5625
  16. 4356
  17. 625
  18. 961
  19. 9604
  20. 1296
  21. 5776
  22. 4096
  23. 1156
  24. 3136
  25. 441
  26. 5776
  27. 729
  28. 5776
  29. 1849
  30. 5776
  31. 2601
  32. 225
  33. 9409
  34. 676
  35. 3721
  36. 2601
  37. 1521
  38. 9025
  39. 5625
  40. 2025

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