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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 427 · 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. 2.93² =
  3. 3.89² =
  4. 4.35² =
  5. 5.13² =
  6. 6.22² =
  7. 7.26² =
  8. 8.11² =
  9. 9.69² =
  10. 10.13² =
  11. 11.29² =
  12. 12.44² =
  13. 13.88² =
  14. 14.43² =
  15. 15.71² =
  16. 16.93² =
  17. 17.54² =
  18. 18.91² =
  19. 19.29² =
  20. 20.12² =
  21. 21.81² =
  22. 22.62² =
  23. 23.62² =
  24. 24.27² =
  25. 25.79² =
  26. 26.86² =
  27. 27.98² =
  28. 28.81² =
  29. 29.36² =
  30. 30.77² =
  31. 31.28² =
  32. 32.99² =
  33. 33.87² =
  34. 34.33² =
  35. 35.26² =
  36. 36.46² =
  37. 37.76² =
  38. 38.85² =
  39. 39.51² =
  40. 40.59² =

Answer key

  1. 441
  2. 8649
  3. 7921
  4. 1225
  5. 169
  6. 484
  7. 676
  8. 121
  9. 4761
  10. 169
  11. 841
  12. 1936
  13. 7744
  14. 1849
  15. 5041
  16. 8649
  17. 2916
  18. 8281
  19. 841
  20. 144
  21. 6561
  22. 3844
  23. 3844
  24. 729
  25. 6241
  26. 7396
  27. 9604
  28. 6561
  29. 1296
  30. 5929
  31. 784
  32. 9801
  33. 7569
  34. 1089
  35. 676
  36. 2116
  37. 5776
  38. 7225
  39. 2601
  40. 3481

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