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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 287 · 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. 2.69² =
  3. 3.97² =
  4. 4.25² =
  5. 5.61² =
  6. 6.54² =
  7. 7.71² =
  8. 8.42² =
  9. 9.73² =
  10. 10.27² =
  11. 11.71² =
  12. 12.71² =
  13. 13.36² =
  14. 14.51² =
  15. 15.32² =
  16. 16.51² =
  17. 17.32² =
  18. 18.79² =
  19. 19.19² =
  20. 20.21² =
  21. 21.51² =
  22. 22.25² =
  23. 23.55² =
  24. 24.93² =
  25. 25.52² =
  26. 26.95² =
  27. 27.28² =
  28. 28.38² =
  29. 29.59² =
  30. 30.77² =
  31. 31.73² =
  32. 32.78² =
  33. 33.31² =
  34. 34.24² =
  35. 35.92² =
  36. 36.15² =
  37. 37.34² =
  38. 38.29² =
  39. 39.71² =
  40. 40.29² =

Answer key

  1. 2116
  2. 4761
  3. 9409
  4. 625
  5. 3721
  6. 2916
  7. 5041
  8. 1764
  9. 5329
  10. 729
  11. 5041
  12. 5041
  13. 1296
  14. 2601
  15. 1024
  16. 2601
  17. 1024
  18. 6241
  19. 361
  20. 441
  21. 2601
  22. 625
  23. 3025
  24. 8649
  25. 2704
  26. 9025
  27. 784
  28. 1444
  29. 3481
  30. 5929
  31. 5329
  32. 6084
  33. 961
  34. 576
  35. 8464
  36. 225
  37. 1156
  38. 841
  39. 5041
  40. 841

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