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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 949 · 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. 1.67² =
  2. 2.81² =
  3. 3.51² =
  4. 4.87² =
  5. 5.62² =
  6. 6.48² =
  7. 7.81² =
  8. 8.21² =
  9. 9.41² =
  10. 10.72² =
  11. 11.25² =
  12. 12.13² =
  13. 13.48² =
  14. 14.82² =
  15. 15.51² =
  16. 16.45² =
  17. 17.13² =
  18. 18.69² =
  19. 19.86² =
  20. 20.34² =
  21. 21.86² =
  22. 22.52² =
  23. 23.57² =
  24. 24.75² =
  25. 25.43² =
  26. 26.16² =
  27. 27.38² =
  28. 28.31² =
  29. 29.44² =
  30. 30.43² =
  31. 31.82² =
  32. 32.14² =
  33. 33.81² =
  34. 34.41² =
  35. 35.92² =
  36. 36.93² =
  37. 37.16² =
  38. 38.79² =
  39. 39.63² =
  40. 40.86² =

Answer key

  1. 4489
  2. 6561
  3. 2601
  4. 7569
  5. 3844
  6. 2304
  7. 6561
  8. 441
  9. 1681
  10. 5184
  11. 625
  12. 169
  13. 2304
  14. 6724
  15. 2601
  16. 2025
  17. 169
  18. 4761
  19. 7396
  20. 1156
  21. 7396
  22. 2704
  23. 3249
  24. 5625
  25. 1849
  26. 256
  27. 1444
  28. 961
  29. 1936
  30. 1849
  31. 6724
  32. 196
  33. 6561
  34. 1681
  35. 8464
  36. 8649
  37. 256
  38. 6241
  39. 3969
  40. 7396

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