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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 881 · 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. 2.42² =
  3. 3.36² =
  4. 4.67² =
  5. 5.22² =
  6. 6.24² =
  7. 7.44² =
  8. 8.86² =
  9. 9.59² =
  10. 10.49² =
  11. 11.48² =
  12. 12.99² =
  13. 13.46² =
  14. 14.49² =
  15. 15.91² =
  16. 16.96² =
  17. 17.91² =
  18. 18.87² =
  19. 19.61² =
  20. 20.49² =
  21. 21.85² =
  22. 22.72² =
  23. 23.31² =
  24. 24.46² =
  25. 25.71² =
  26. 26.67² =
  27. 27.68² =
  28. 28.53² =
  29. 29.75² =
  30. 30.71² =
  31. 31.19² =
  32. 32.11² =
  33. 33.85² =
  34. 34.91² =
  35. 35.96² =
  36. 36.82² =
  37. 37.86² =
  38. 38.81² =
  39. 39.29² =
  40. 40.95² =

Answer key

  1. 441
  2. 1764
  3. 1296
  4. 4489
  5. 484
  6. 576
  7. 1936
  8. 7396
  9. 3481
  10. 2401
  11. 2304
  12. 9801
  13. 2116
  14. 2401
  15. 8281
  16. 9216
  17. 8281
  18. 7569
  19. 3721
  20. 2401
  21. 7225
  22. 5184
  23. 961
  24. 2116
  25. 5041
  26. 4489
  27. 4624
  28. 2809
  29. 5625
  30. 5041
  31. 361
  32. 121
  33. 7225
  34. 8281
  35. 9216
  36. 6724
  37. 7396
  38. 6561
  39. 841
  40. 9025

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