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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 970 · 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. 1.38² =
  2. 2.21² =
  3. 3.12² =
  4. 4.33² =
  5. 5.77² =
  6. 6.67² =
  7. 7.76² =
  8. 8.35² =
  9. 9.31² =
  10. 10.71² =
  11. 11.87² =
  12. 12.59² =
  13. 13.41² =
  14. 14.51² =
  15. 15.63² =
  16. 16.26² =
  17. 17.35² =
  18. 18.57² =
  19. 19.94² =
  20. 20.79² =
  21. 21.71² =
  22. 22.52² =
  23. 23.59² =
  24. 24.42² =
  25. 25.47² =
  26. 26.41² =
  27. 27.21² =
  28. 28.15² =
  29. 29.41² =
  30. 30.61² =
  31. 31.21² =
  32. 32.16² =
  33. 33.74² =
  34. 34.52² =
  35. 35.49² =
  36. 36.39² =
  37. 37.48² =
  38. 38.34² =
  39. 39.52² =
  40. 40.51² =

Answer key

  1. 1444
  2. 441
  3. 144
  4. 1089
  5. 5929
  6. 4489
  7. 5776
  8. 1225
  9. 961
  10. 5041
  11. 7569
  12. 3481
  13. 1681
  14. 2601
  15. 3969
  16. 676
  17. 1225
  18. 3249
  19. 8836
  20. 6241
  21. 5041
  22. 2704
  23. 3481
  24. 1764
  25. 2209
  26. 1681
  27. 441
  28. 225
  29. 1681
  30. 3721
  31. 441
  32. 256
  33. 5476
  34. 2704
  35. 2401
  36. 1521
  37. 2304
  38. 1156
  39. 2704
  40. 2601

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