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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 649 · 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. 1.52² =
  2. 2.85² =
  3. 3.95² =
  4. 4.72² =
  5. 5.46² =
  6. 6.66² =
  7. 7.81² =
  8. 8.35² =
  9. 9.75² =
  10. 10.87² =
  11. 11.13² =
  12. 12.77² =
  13. 13.61² =
  14. 14.92² =
  15. 15.54² =
  16. 16.87² =
  17. 17.87² =
  18. 18.57² =
  19. 19.29² =
  20. 20.43² =
  21. 21.71² =
  22. 22.21² =
  23. 23.25² =
  24. 24.49² =
  25. 25.96² =
  26. 26.26² =
  27. 27.19² =
  28. 28.26² =
  29. 29.52² =
  30. 30.14² =
  31. 31.77² =
  32. 32.75² =
  33. 33.93² =
  34. 34.86² =
  35. 35.99² =
  36. 36.54² =
  37. 37.33² =
  38. 38.27² =
  39. 39.33² =
  40. 40.13² =

Answer key

  1. 2704
  2. 7225
  3. 9025
  4. 5184
  5. 2116
  6. 4356
  7. 6561
  8. 1225
  9. 5625
  10. 7569
  11. 169
  12. 5929
  13. 3721
  14. 8464
  15. 2916
  16. 7569
  17. 7569
  18. 3249
  19. 841
  20. 1849
  21. 5041
  22. 441
  23. 625
  24. 2401
  25. 9216
  26. 676
  27. 361
  28. 676
  29. 2704
  30. 196
  31. 5929
  32. 5625
  33. 8649
  34. 7396
  35. 9801
  36. 2916
  37. 1089
  38. 729
  39. 1089
  40. 169

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