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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 890 · 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. 1.94² =
  2. 2.87² =
  3. 3.81² =
  4. 4.29² =
  5. 5.88² =
  6. 6.66² =
  7. 7.52² =
  8. 8.57² =
  9. 9.81² =
  10. 10.49² =
  11. 11.91² =
  12. 12.83² =
  13. 13.31² =
  14. 14.15² =
  15. 15.43² =
  16. 16.78² =
  17. 17.87² =
  18. 18.86² =
  19. 19.16² =
  20. 20.81² =
  21. 21.49² =
  22. 22.72² =
  23. 23.21² =
  24. 24.79² =
  25. 25.12² =
  26. 26.32² =
  27. 27.57² =
  28. 28.88² =
  29. 29.46² =
  30. 30.34² =
  31. 31.32² =
  32. 32.48² =
  33. 33.34² =
  34. 34.47² =
  35. 35.91² =
  36. 36.35² =
  37. 37.23² =
  38. 38.16² =
  39. 39.63² =
  40. 40.66² =

Answer key

  1. 8836
  2. 7569
  3. 6561
  4. 841
  5. 7744
  6. 4356
  7. 2704
  8. 3249
  9. 6561
  10. 2401
  11. 8281
  12. 6889
  13. 961
  14. 225
  15. 1849
  16. 6084
  17. 7569
  18. 7396
  19. 256
  20. 6561
  21. 2401
  22. 5184
  23. 441
  24. 6241
  25. 144
  26. 1024
  27. 3249
  28. 7744
  29. 2116
  30. 1156
  31. 1024
  32. 2304
  33. 1156
  34. 2209
  35. 8281
  36. 1225
  37. 529
  38. 256
  39. 3969
  40. 4356

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