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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 73 · 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. 1.16² =
  2. 2.15² =
  3. 3.35² =
  4. 4.21² =
  5. 5.78² =
  6. 6.46² =
  7. 7.27² =
  8. 8.37² =
  9. 9.19² =
  10. 10.23² =
  11. 11.15² =
  12. 12.16² =
  13. 13.36² =
  14. 14.88² =
  15. 15.34² =
  16. 16.38² =
  17. 17.21² =
  18. 18.86² =
  19. 19.21² =
  20. 20.45² =
  21. 21.97² =
  22. 22.24² =
  23. 23.37² =
  24. 24.17² =
  25. 25.91² =
  26. 26.79² =
  27. 27.28² =
  28. 28.63² =
  29. 29.26² =
  30. 30.61² =
  31. 31.91² =
  32. 32.21² =
  33. 33.14² =
  34. 34.95² =
  35. 35.33² =
  36. 36.15² =
  37. 37.28² =
  38. 38.74² =
  39. 39.34² =
  40. 40.61² =

Answer key

  1. 256
  2. 225
  3. 1225
  4. 441
  5. 6084
  6. 2116
  7. 729
  8. 1369
  9. 361
  10. 529
  11. 225
  12. 256
  13. 1296
  14. 7744
  15. 1156
  16. 1444
  17. 441
  18. 7396
  19. 441
  20. 2025
  21. 9409
  22. 576
  23. 1369
  24. 289
  25. 8281
  26. 6241
  27. 784
  28. 3969
  29. 676
  30. 3721
  31. 8281
  32. 441
  33. 196
  34. 9025
  35. 1089
  36. 225
  37. 784
  38. 5476
  39. 1156
  40. 3721

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