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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 451 · 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. 1.21² =
  2. 2.27² =
  3. 3.73² =
  4. 4.16² =
  5. 5.69² =
  6. 6.97² =
  7. 7.83² =
  8. 8.52² =
  9. 9.12² =
  10. 10.36² =
  11. 11.31² =
  12. 12.78² =
  13. 13.36² =
  14. 14.31² =
  15. 15.49² =
  16. 16.78² =
  17. 17.13² =
  18. 18.55² =
  19. 19.53² =
  20. 20.58² =
  21. 21.13² =
  22. 22.35² =
  23. 23.61² =
  24. 24.19² =
  25. 25.99² =
  26. 26.16² =
  27. 27.22² =
  28. 28.13² =
  29. 29.71² =
  30. 30.93² =
  31. 31.18² =
  32. 32.49² =
  33. 33.84² =
  34. 34.36² =
  35. 35.54² =
  36. 36.15² =
  37. 37.25² =
  38. 38.86² =
  39. 39.39² =
  40. 40.82² =

Answer key

  1. 441
  2. 729
  3. 5329
  4. 256
  5. 4761
  6. 9409
  7. 6889
  8. 2704
  9. 144
  10. 1296
  11. 961
  12. 6084
  13. 1296
  14. 961
  15. 2401
  16. 6084
  17. 169
  18. 3025
  19. 2809
  20. 3364
  21. 169
  22. 1225
  23. 3721
  24. 361
  25. 9801
  26. 256
  27. 484
  28. 169
  29. 5041
  30. 8649
  31. 324
  32. 2401
  33. 7056
  34. 1296
  35. 2916
  36. 225
  37. 625
  38. 7396
  39. 1521
  40. 6724

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