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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 203 · 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. 1.96² =
  2. 2.17² =
  3. 3.27² =
  4. 4.33² =
  5. 5.64² =
  6. 6.42² =
  7. 7.68² =
  8. 8.18² =
  9. 9.18² =
  10. 10.68² =
  11. 11.59² =
  12. 12.21² =
  13. 13.81² =
  14. 14.57² =
  15. 15.81² =
  16. 16.46² =
  17. 17.81² =
  18. 18.33² =
  19. 19.19² =
  20. 20.18² =
  21. 21.79² =
  22. 22.31² =
  23. 23.13² =
  24. 24.65² =
  25. 25.54² =
  26. 26.89² =
  27. 27.34² =
  28. 28.16² =
  29. 29.72² =
  30. 30.67² =
  31. 31.26² =
  32. 32.25² =
  33. 33.64² =
  34. 34.71² =
  35. 35.91² =
  36. 36.81² =
  37. 37.13² =
  38. 38.81² =
  39. 39.46² =
  40. 40.79² =

Answer key

  1. 9216
  2. 289
  3. 729
  4. 1089
  5. 4096
  6. 1764
  7. 4624
  8. 324
  9. 324
  10. 4624
  11. 3481
  12. 441
  13. 6561
  14. 3249
  15. 6561
  16. 2116
  17. 6561
  18. 1089
  19. 361
  20. 324
  21. 6241
  22. 961
  23. 169
  24. 4225
  25. 2916
  26. 7921
  27. 1156
  28. 256
  29. 5184
  30. 4489
  31. 676
  32. 625
  33. 4096
  34. 5041
  35. 8281
  36. 6561
  37. 169
  38. 6561
  39. 2116
  40. 6241

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