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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 540 · 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. 1.34² =
  2. 2.15² =
  3. 3.81² =
  4. 4.51² =
  5. 5.22² =
  6. 6.41² =
  7. 7.91² =
  8. 8.63² =
  9. 9.87² =
  10. 10.92² =
  11. 11.91² =
  12. 12.21² =
  13. 13.43² =
  14. 14.55² =
  15. 15.99² =
  16. 16.17² =
  17. 17.37² =
  18. 18.69² =
  19. 19.94² =
  20. 20.71² =
  21. 21.64² =
  22. 22.28² =
  23. 23.92² =
  24. 24.78² =
  25. 25.28² =
  26. 26.23² =
  27. 27.59² =
  28. 28.71² =
  29. 29.36² =
  30. 30.83² =
  31. 31.75² =
  32. 32.14² =
  33. 33.91² =
  34. 34.67² =
  35. 35.62² =
  36. 36.43² =
  37. 37.83² =
  38. 38.14² =
  39. 39.86² =
  40. 40.59² =

Answer key

  1. 1156
  2. 225
  3. 6561
  4. 2601
  5. 484
  6. 1681
  7. 8281
  8. 3969
  9. 7569
  10. 8464
  11. 8281
  12. 441
  13. 1849
  14. 3025
  15. 9801
  16. 289
  17. 1369
  18. 4761
  19. 8836
  20. 5041
  21. 4096
  22. 784
  23. 8464
  24. 6084
  25. 784
  26. 529
  27. 3481
  28. 5041
  29. 1296
  30. 6889
  31. 5625
  32. 196
  33. 8281
  34. 4489
  35. 3844
  36. 1849
  37. 6889
  38. 196
  39. 7396
  40. 3481

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