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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 201 · 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. 2.11² =
  3. 3.52² =
  4. 4.34² =
  5. 5.68² =
  6. 6.97² =
  7. 7.25² =
  8. 8.67² =
  9. 9.13² =
  10. 10.42² =
  11. 11.73² =
  12. 12.77² =
  13. 13.17² =
  14. 14.44² =
  15. 15.47² =
  16. 16.52² =
  17. 17.31² =
  18. 18.48² =
  19. 19.99² =
  20. 20.26² =
  21. 21.55² =
  22. 22.59² =
  23. 23.86² =
  24. 24.23² =
  25. 25.24² =
  26. 26.36² =
  27. 27.98² =
  28. 28.96² =
  29. 29.97² =
  30. 30.79² =
  31. 31.51² =
  32. 32.13² =
  33. 33.86² =
  34. 34.51² =
  35. 35.74² =
  36. 36.59² =
  37. 37.92² =
  38. 38.51² =
  39. 39.58² =
  40. 40.55² =

Answer key

  1. 1444
  2. 121
  3. 2704
  4. 1156
  5. 4624
  6. 9409
  7. 625
  8. 4489
  9. 169
  10. 1764
  11. 5329
  12. 5929
  13. 289
  14. 1936
  15. 2209
  16. 2704
  17. 961
  18. 2304
  19. 9801
  20. 676
  21. 3025
  22. 3481
  23. 7396
  24. 529
  25. 576
  26. 1296
  27. 9604
  28. 9216
  29. 9409
  30. 6241
  31. 2601
  32. 169
  33. 7396
  34. 2601
  35. 5476
  36. 3481
  37. 8464
  38. 2601
  39. 3364
  40. 3025

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