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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 274 · 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. 1.76² =
  2. 2.84² =
  3. 3.92² =
  4. 4.71² =
  5. 5.51² =
  6. 6.31² =
  7. 7.19² =
  8. 8.97² =
  9. 9.91² =
  10. 10.51² =
  11. 11.85² =
  12. 12.74² =
  13. 13.14² =
  14. 14.42² =
  15. 15.23² =
  16. 16.23² =
  17. 17.26² =
  18. 18.64² =
  19. 19.11² =
  20. 20.56² =
  21. 21.43² =
  22. 22.78² =
  23. 23.82² =
  24. 24.17² =
  25. 25.34² =
  26. 26.29² =
  27. 27.73² =
  28. 28.29² =
  29. 29.63² =
  30. 30.73² =
  31. 31.18² =
  32. 32.29² =
  33. 33.36² =
  34. 34.21² =
  35. 35.69² =
  36. 36.13² =
  37. 37.69² =
  38. 38.14² =
  39. 39.19² =
  40. 40.41² =

Answer key

  1. 5776
  2. 7056
  3. 8464
  4. 5041
  5. 2601
  6. 961
  7. 361
  8. 9409
  9. 8281
  10. 2601
  11. 7225
  12. 5476
  13. 196
  14. 1764
  15. 529
  16. 529
  17. 676
  18. 4096
  19. 121
  20. 3136
  21. 1849
  22. 6084
  23. 6724
  24. 289
  25. 1156
  26. 841
  27. 5329
  28. 841
  29. 3969
  30. 5329
  31. 324
  32. 841
  33. 1296
  34. 441
  35. 4761
  36. 169
  37. 4761
  38. 196
  39. 361
  40. 1681

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