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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 616 · 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. 1.46² =
  2. 2.88² =
  3. 3.81² =
  4. 4.59² =
  5. 5.46² =
  6. 6.42² =
  7. 7.18² =
  8. 8.31² =
  9. 9.21² =
  10. 10.66² =
  11. 11.81² =
  12. 12.48² =
  13. 13.75² =
  14. 14.97² =
  15. 15.13² =
  16. 16.91² =
  17. 17.21² =
  18. 18.15² =
  19. 19.15² =
  20. 20.26² =
  21. 21.85² =
  22. 22.58² =
  23. 23.61² =
  24. 24.72² =
  25. 25.42² =
  26. 26.58² =
  27. 27.89² =
  28. 28.49² =
  29. 29.14² =
  30. 30.26² =
  31. 31.48² =
  32. 32.84² =
  33. 33.52² =
  34. 34.49² =
  35. 35.43² =
  36. 36.52² =
  37. 37.13² =
  38. 38.27² =
  39. 39.36² =
  40. 40.88² =

Answer key

  1. 2116
  2. 7744
  3. 6561
  4. 3481
  5. 2116
  6. 1764
  7. 324
  8. 961
  9. 441
  10. 4356
  11. 6561
  12. 2304
  13. 5625
  14. 9409
  15. 169
  16. 8281
  17. 441
  18. 225
  19. 225
  20. 676
  21. 7225
  22. 3364
  23. 3721
  24. 5184
  25. 1764
  26. 3364
  27. 7921
  28. 2401
  29. 196
  30. 676
  31. 2304
  32. 7056
  33. 2704
  34. 2401
  35. 1849
  36. 2704
  37. 169
  38. 729
  39. 1296
  40. 7744

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