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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 940 · 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. 1.21² =
  2. 2.87² =
  3. 3.66² =
  4. 4.61² =
  5. 5.18² =
  6. 6.76² =
  7. 7.57² =
  8. 8.32² =
  9. 9.91² =
  10. 10.44² =
  11. 11.17² =
  12. 12.54² =
  13. 13.71² =
  14. 14.28² =
  15. 15.15² =
  16. 16.39² =
  17. 17.23² =
  18. 18.13² =
  19. 19.57² =
  20. 20.78² =
  21. 21.22² =
  22. 22.52² =
  23. 23.47² =
  24. 24.55² =
  25. 25.62² =
  26. 26.43² =
  27. 27.49² =
  28. 28.51² =
  29. 29.22² =
  30. 30.35² =
  31. 31.18² =
  32. 32.82² =
  33. 33.84² =
  34. 34.69² =
  35. 35.51² =
  36. 36.39² =
  37. 37.47² =
  38. 38.32² =
  39. 39.54² =
  40. 40.64² =

Answer key

  1. 441
  2. 7569
  3. 4356
  4. 3721
  5. 324
  6. 5776
  7. 3249
  8. 1024
  9. 8281
  10. 1936
  11. 289
  12. 2916
  13. 5041
  14. 784
  15. 225
  16. 1521
  17. 529
  18. 169
  19. 3249
  20. 6084
  21. 484
  22. 2704
  23. 2209
  24. 3025
  25. 3844
  26. 1849
  27. 2401
  28. 2601
  29. 484
  30. 1225
  31. 324
  32. 6724
  33. 7056
  34. 4761
  35. 2601
  36. 1521
  37. 2209
  38. 1024
  39. 2916
  40. 4096

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