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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 924 · 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. 1.29² =
  2. 2.35² =
  3. 3.29² =
  4. 4.98² =
  5. 5.77² =
  6. 6.11² =
  7. 7.76² =
  8. 8.25² =
  9. 9.52² =
  10. 10.34² =
  11. 11.83² =
  12. 12.24² =
  13. 13.77² =
  14. 14.61² =
  15. 15.91² =
  16. 16.78² =
  17. 17.44² =
  18. 18.53² =
  19. 19.48² =
  20. 20.33² =
  21. 21.54² =
  22. 22.41² =
  23. 23.26² =
  24. 24.34² =
  25. 25.44² =
  26. 26.92² =
  27. 27.96² =
  28. 28.58² =
  29. 29.41² =
  30. 30.12² =
  31. 31.94² =
  32. 32.78² =
  33. 33.36² =
  34. 34.21² =
  35. 35.63² =
  36. 36.49² =
  37. 37.67² =
  38. 38.93² =
  39. 39.99² =
  40. 40.14² =

Answer key

  1. 841
  2. 1225
  3. 841
  4. 9604
  5. 5929
  6. 121
  7. 5776
  8. 625
  9. 2704
  10. 1156
  11. 6889
  12. 576
  13. 5929
  14. 3721
  15. 8281
  16. 6084
  17. 1936
  18. 2809
  19. 2304
  20. 1089
  21. 2916
  22. 1681
  23. 676
  24. 1156
  25. 1936
  26. 8464
  27. 9216
  28. 3364
  29. 1681
  30. 144
  31. 8836
  32. 6084
  33. 1296
  34. 441
  35. 3969
  36. 2401
  37. 4489
  38. 8649
  39. 9801
  40. 196

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