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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 948 · 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. 1.54² =
  2. 2.16² =
  3. 3.12² =
  4. 4.19² =
  5. 5.12² =
  6. 6.76² =
  7. 7.22² =
  8. 8.64² =
  9. 9.33² =
  10. 10.12² =
  11. 11.16² =
  12. 12.86² =
  13. 13.52² =
  14. 14.81² =
  15. 15.55² =
  16. 16.19² =
  17. 17.37² =
  18. 18.56² =
  19. 19.79² =
  20. 20.61² =
  21. 21.61² =
  22. 22.76² =
  23. 23.31² =
  24. 24.92² =
  25. 25.34² =
  26. 26.16² =
  27. 27.41² =
  28. 28.34² =
  29. 29.67² =
  30. 30.13² =
  31. 31.38² =
  32. 32.45² =
  33. 33.53² =
  34. 34.46² =
  35. 35.39² =
  36. 36.82² =
  37. 37.88² =
  38. 38.68² =
  39. 39.45² =
  40. 40.36² =

Answer key

  1. 2916
  2. 256
  3. 144
  4. 361
  5. 144
  6. 5776
  7. 484
  8. 4096
  9. 1089
  10. 144
  11. 256
  12. 7396
  13. 2704
  14. 6561
  15. 3025
  16. 361
  17. 1369
  18. 3136
  19. 6241
  20. 3721
  21. 3721
  22. 5776
  23. 961
  24. 8464
  25. 1156
  26. 256
  27. 1681
  28. 1156
  29. 4489
  30. 169
  31. 1444
  32. 2025
  33. 2809
  34. 2116
  35. 1521
  36. 6724
  37. 7744
  38. 4624
  39. 2025
  40. 1296

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