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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 722 · 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. 1.92² =
  2. 2.51² =
  3. 3.54² =
  4. 4.63² =
  5. 5.47² =
  6. 6.87² =
  7. 7.37² =
  8. 8.77² =
  9. 9.99² =
  10. 10.87² =
  11. 11.82² =
  12. 12.74² =
  13. 13.16² =
  14. 14.62² =
  15. 15.12² =
  16. 16.68² =
  17. 17.47² =
  18. 18.56² =
  19. 19.16² =
  20. 20.36² =
  21. 21.43² =
  22. 22.43² =
  23. 23.68² =
  24. 24.89² =
  25. 25.62² =
  26. 26.14² =
  27. 27.49² =
  28. 28.37² =
  29. 29.44² =
  30. 30.16² =
  31. 31.36² =
  32. 32.12² =
  33. 33.61² =
  34. 34.64² =
  35. 35.41² =
  36. 36.78² =
  37. 37.38² =
  38. 38.65² =
  39. 39.61² =
  40. 40.29² =

Answer key

  1. 8464
  2. 2601
  3. 2916
  4. 3969
  5. 2209
  6. 7569
  7. 1369
  8. 5929
  9. 9801
  10. 7569
  11. 6724
  12. 5476
  13. 256
  14. 3844
  15. 144
  16. 4624
  17. 2209
  18. 3136
  19. 256
  20. 1296
  21. 1849
  22. 1849
  23. 4624
  24. 7921
  25. 3844
  26. 196
  27. 2401
  28. 1369
  29. 1936
  30. 256
  31. 1296
  32. 144
  33. 3721
  34. 4096
  35. 1681
  36. 6084
  37. 1444
  38. 4225
  39. 3721
  40. 841

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