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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 131 · 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. 1.71² =
  2. 2.89² =
  3. 3.39² =
  4. 4.12² =
  5. 5.63² =
  6. 6.48² =
  7. 7.86² =
  8. 8.66² =
  9. 9.61² =
  10. 10.11² =
  11. 11.91² =
  12. 12.95² =
  13. 13.65² =
  14. 14.12² =
  15. 15.71² =
  16. 16.21² =
  17. 17.65² =
  18. 18.56² =
  19. 19.84² =
  20. 20.36² =
  21. 21.86² =
  22. 22.19² =
  23. 23.92² =
  24. 24.66² =
  25. 25.12² =
  26. 26.55² =
  27. 27.72² =
  28. 28.29² =
  29. 29.87² =
  30. 30.91² =
  31. 31.25² =
  32. 32.91² =
  33. 33.61² =
  34. 34.85² =
  35. 35.21² =
  36. 36.57² =
  37. 37.53² =
  38. 38.38² =
  39. 39.49² =
  40. 40.89² =

Answer key

  1. 5041
  2. 7921
  3. 1521
  4. 144
  5. 3969
  6. 2304
  7. 7396
  8. 4356
  9. 3721
  10. 121
  11. 8281
  12. 9025
  13. 4225
  14. 144
  15. 5041
  16. 441
  17. 4225
  18. 3136
  19. 7056
  20. 1296
  21. 7396
  22. 361
  23. 8464
  24. 4356
  25. 144
  26. 3025
  27. 5184
  28. 841
  29. 7569
  30. 8281
  31. 625
  32. 8281
  33. 3721
  34. 7225
  35. 441
  36. 3249
  37. 2809
  38. 1444
  39. 2401
  40. 7921

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