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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 612 · 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. 1.85² =
  2. 2.63² =
  3. 3.94² =
  4. 4.47² =
  5. 5.27² =
  6. 6.34² =
  7. 7.41² =
  8. 8.25² =
  9. 9.28² =
  10. 10.43² =
  11. 11.38² =
  12. 12.67² =
  13. 13.83² =
  14. 14.22² =
  15. 15.29² =
  16. 16.52² =
  17. 17.78² =
  18. 18.74² =
  19. 19.99² =
  20. 20.55² =
  21. 21.53² =
  22. 22.53² =
  23. 23.74² =
  24. 24.44² =
  25. 25.86² =
  26. 26.16² =
  27. 27.59² =
  28. 28.94² =
  29. 29.18² =
  30. 30.17² =
  31. 31.72² =
  32. 32.32² =
  33. 33.74² =
  34. 34.38² =
  35. 35.49² =
  36. 36.15² =
  37. 37.72² =
  38. 38.18² =
  39. 39.16² =
  40. 40.92² =

Answer key

  1. 7225
  2. 3969
  3. 8836
  4. 2209
  5. 729
  6. 1156
  7. 1681
  8. 625
  9. 784
  10. 1849
  11. 1444
  12. 4489
  13. 6889
  14. 484
  15. 841
  16. 2704
  17. 6084
  18. 5476
  19. 9801
  20. 3025
  21. 2809
  22. 2809
  23. 5476
  24. 1936
  25. 7396
  26. 256
  27. 3481
  28. 8836
  29. 324
  30. 289
  31. 5184
  32. 1024
  33. 5476
  34. 1444
  35. 2401
  36. 225
  37. 5184
  38. 324
  39. 256
  40. 8464

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