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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 54 · 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. 1.63² =
  2. 2.58² =
  3. 3.91² =
  4. 4.78² =
  5. 5.42² =
  6. 6.22² =
  7. 7.76² =
  8. 8.39² =
  9. 9.73² =
  10. 10.47² =
  11. 11.61² =
  12. 12.49² =
  13. 13.81² =
  14. 14.24² =
  15. 15.52² =
  16. 16.36² =
  17. 17.63² =
  18. 18.36² =
  19. 19.22² =
  20. 20.14² =
  21. 21.82² =
  22. 22.96² =
  23. 23.53² =
  24. 24.95² =
  25. 25.85² =
  26. 26.35² =
  27. 27.47² =
  28. 28.34² =
  29. 29.98² =
  30. 30.39² =
  31. 31.35² =
  32. 32.53² =
  33. 33.26² =
  34. 34.79² =
  35. 35.48² =
  36. 36.76² =
  37. 37.98² =
  38. 38.23² =
  39. 39.29² =
  40. 40.49² =

Answer key

  1. 3969
  2. 3364
  3. 8281
  4. 6084
  5. 1764
  6. 484
  7. 5776
  8. 1521
  9. 5329
  10. 2209
  11. 3721
  12. 2401
  13. 6561
  14. 576
  15. 2704
  16. 1296
  17. 3969
  18. 1296
  19. 484
  20. 196
  21. 6724
  22. 9216
  23. 2809
  24. 9025
  25. 7225
  26. 1225
  27. 2209
  28. 1156
  29. 9604
  30. 1521
  31. 1225
  32. 2809
  33. 676
  34. 6241
  35. 2304
  36. 5776
  37. 9604
  38. 529
  39. 841
  40. 2401

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