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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 144 · 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. 1.25² =
  2. 2.71² =
  3. 3.74² =
  4. 4.29² =
  5. 5.63² =
  6. 6.69² =
  7. 7.89² =
  8. 8.52² =
  9. 9.72² =
  10. 10.33² =
  11. 11.11² =
  12. 12.31² =
  13. 13.56² =
  14. 14.31² =
  15. 15.31² =
  16. 16.77² =
  17. 17.25² =
  18. 18.49² =
  19. 19.13² =
  20. 20.33² =
  21. 21.19² =
  22. 22.94² =
  23. 23.38² =
  24. 24.21² =
  25. 25.91² =
  26. 26.19² =
  27. 27.94² =
  28. 28.69² =
  29. 29.91² =
  30. 30.62² =
  31. 31.33² =
  32. 32.14² =
  33. 33.53² =
  34. 34.33² =
  35. 35.78² =
  36. 36.53² =
  37. 37.75² =
  38. 38.35² =
  39. 39.28² =
  40. 40.92² =

Answer key

  1. 625
  2. 5041
  3. 5476
  4. 841
  5. 3969
  6. 4761
  7. 7921
  8. 2704
  9. 5184
  10. 1089
  11. 121
  12. 961
  13. 3136
  14. 961
  15. 961
  16. 5929
  17. 625
  18. 2401
  19. 169
  20. 1089
  21. 361
  22. 8836
  23. 1444
  24. 441
  25. 8281
  26. 361
  27. 8836
  28. 4761
  29. 8281
  30. 3844
  31. 1089
  32. 196
  33. 2809
  34. 1089
  35. 6084
  36. 2809
  37. 5625
  38. 1225
  39. 784
  40. 8464

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