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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 583 · 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. 2.78² =
  3. 3.12² =
  4. 4.36² =
  5. 5.14² =
  6. 6.52² =
  7. 7.74² =
  8. 8.21² =
  9. 9.94² =
  10. 10.14² =
  11. 11.14² =
  12. 12.41² =
  13. 13.23² =
  14. 14.94² =
  15. 15.92² =
  16. 16.62² =
  17. 17.81² =
  18. 18.16² =
  19. 19.89² =
  20. 20.85² =
  21. 21.43² =
  22. 22.64² =
  23. 23.67² =
  24. 24.25² =
  25. 25.61² =
  26. 26.48² =
  27. 27.57² =
  28. 28.25² =
  29. 29.92² =
  30. 30.12² =
  31. 31.38² =
  32. 32.76² =
  33. 33.94² =
  34. 34.86² =
  35. 35.41² =
  36. 36.94² =
  37. 37.22² =
  38. 38.35² =
  39. 39.64² =
  40. 40.21² =

Answer key

  1. 441
  2. 6084
  3. 144
  4. 1296
  5. 196
  6. 2704
  7. 5476
  8. 441
  9. 8836
  10. 196
  11. 196
  12. 1681
  13. 529
  14. 8836
  15. 8464
  16. 3844
  17. 6561
  18. 256
  19. 7921
  20. 7225
  21. 1849
  22. 4096
  23. 4489
  24. 625
  25. 3721
  26. 2304
  27. 3249
  28. 625
  29. 8464
  30. 144
  31. 1444
  32. 5776
  33. 8836
  34. 7396
  35. 1681
  36. 8836
  37. 484
  38. 1225
  39. 4096
  40. 441

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