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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 278 · 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. 1.18² =
  2. 2.43² =
  3. 3.78² =
  4. 4.82² =
  5. 5.42² =
  6. 6.56² =
  7. 7.17² =
  8. 8.29² =
  9. 9.92² =
  10. 10.21² =
  11. 11.31² =
  12. 12.47² =
  13. 13.61² =
  14. 14.33² =
  15. 15.14² =
  16. 16.24² =
  17. 17.21² =
  18. 18.28² =
  19. 19.99² =
  20. 20.33² =
  21. 21.25² =
  22. 22.25² =
  23. 23.79² =
  24. 24.98² =
  25. 25.38² =
  26. 26.31² =
  27. 27.86² =
  28. 28.46² =
  29. 29.14² =
  30. 30.44² =
  31. 31.74² =
  32. 32.33² =
  33. 33.18² =
  34. 34.44² =
  35. 35.81² =
  36. 36.72² =
  37. 37.12² =
  38. 38.99² =
  39. 39.82² =
  40. 40.73² =

Answer key

  1. 324
  2. 1849
  3. 6084
  4. 6724
  5. 1764
  6. 3136
  7. 289
  8. 841
  9. 8464
  10. 441
  11. 961
  12. 2209
  13. 3721
  14. 1089
  15. 196
  16. 576
  17. 441
  18. 784
  19. 9801
  20. 1089
  21. 625
  22. 625
  23. 6241
  24. 9604
  25. 1444
  26. 961
  27. 7396
  28. 2116
  29. 196
  30. 1936
  31. 5476
  32. 1089
  33. 324
  34. 1936
  35. 6561
  36. 5184
  37. 144
  38. 9801
  39. 6724
  40. 5329

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