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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 858 · 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. 2.38² =
  3. 3.11² =
  4. 4.15² =
  5. 5.36² =
  6. 6.87² =
  7. 7.69² =
  8. 8.89² =
  9. 9.32² =
  10. 10.23² =
  11. 11.23² =
  12. 12.73² =
  13. 13.13² =
  14. 14.31² =
  15. 15.52² =
  16. 16.86² =
  17. 17.16² =
  18. 18.23² =
  19. 19.41² =
  20. 20.48² =
  21. 21.54² =
  22. 22.98² =
  23. 23.35² =
  24. 24.79² =
  25. 25.65² =
  26. 26.83² =
  27. 27.31² =
  28. 28.82² =
  29. 29.17² =
  30. 30.61² =
  31. 31.94² =
  32. 32.65² =
  33. 33.74² =
  34. 34.66² =
  35. 35.47² =
  36. 36.53² =
  37. 37.99² =
  38. 38.62² =
  39. 39.91² =
  40. 40.91² =

Answer key

  1. 441
  2. 1444
  3. 121
  4. 225
  5. 1296
  6. 7569
  7. 4761
  8. 7921
  9. 1024
  10. 529
  11. 529
  12. 5329
  13. 169
  14. 961
  15. 2704
  16. 7396
  17. 256
  18. 529
  19. 1681
  20. 2304
  21. 2916
  22. 9604
  23. 1225
  24. 6241
  25. 4225
  26. 6889
  27. 961
  28. 6724
  29. 289
  30. 3721
  31. 8836
  32. 4225
  33. 5476
  34. 4356
  35. 2209
  36. 2809
  37. 9801
  38. 3844
  39. 8281
  40. 8281

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