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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 930 · 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. 1.28² =
  2. 2.54² =
  3. 3.85² =
  4. 4.46² =
  5. 5.21² =
  6. 6.78² =
  7. 7.33² =
  8. 8.17² =
  9. 9.35² =
  10. 10.85² =
  11. 11.56² =
  12. 12.34² =
  13. 13.45² =
  14. 14.54² =
  15. 15.32² =
  16. 16.63² =
  17. 17.35² =
  18. 18.74² =
  19. 19.84² =
  20. 20.19² =
  21. 21.14² =
  22. 22.55² =
  23. 23.99² =
  24. 24.27² =
  25. 25.41² =
  26. 26.91² =
  27. 27.52² =
  28. 28.96² =
  29. 29.96² =
  30. 30.75² =
  31. 31.55² =
  32. 32.12² =
  33. 33.52² =
  34. 34.39² =
  35. 35.14² =
  36. 36.67² =
  37. 37.66² =
  38. 38.17² =
  39. 39.56² =
  40. 40.31² =

Answer key

  1. 784
  2. 2916
  3. 7225
  4. 2116
  5. 441
  6. 6084
  7. 1089
  8. 289
  9. 1225
  10. 7225
  11. 3136
  12. 1156
  13. 2025
  14. 2916
  15. 1024
  16. 3969
  17. 1225
  18. 5476
  19. 7056
  20. 361
  21. 196
  22. 3025
  23. 9801
  24. 729
  25. 1681
  26. 8281
  27. 2704
  28. 9216
  29. 9216
  30. 5625
  31. 3025
  32. 144
  33. 2704
  34. 1521
  35. 196
  36. 4489
  37. 4356
  38. 289
  39. 3136
  40. 961

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