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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 720 · 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. 1.94² =
  2. 2.91² =
  3. 3.67² =
  4. 4.17² =
  5. 5.22² =
  6. 6.93² =
  7. 7.89² =
  8. 8.89² =
  9. 9.58² =
  10. 10.55² =
  11. 11.35² =
  12. 12.75² =
  13. 13.15² =
  14. 14.32² =
  15. 15.63² =
  16. 16.45² =
  17. 17.16² =
  18. 18.58² =
  19. 19.48² =
  20. 20.84² =
  21. 21.85² =
  22. 22.15² =
  23. 23.29² =
  24. 24.35² =
  25. 25.35² =
  26. 26.57² =
  27. 27.11² =
  28. 28.23² =
  29. 29.43² =
  30. 30.12² =
  31. 31.31² =
  32. 32.18² =
  33. 33.17² =
  34. 34.13² =
  35. 35.52² =
  36. 36.91² =
  37. 37.21² =
  38. 38.54² =
  39. 39.71² =
  40. 40.68² =

Answer key

  1. 8836
  2. 8281
  3. 4489
  4. 289
  5. 484
  6. 8649
  7. 7921
  8. 7921
  9. 3364
  10. 3025
  11. 1225
  12. 5625
  13. 225
  14. 1024
  15. 3969
  16. 2025
  17. 256
  18. 3364
  19. 2304
  20. 7056
  21. 7225
  22. 225
  23. 841
  24. 1225
  25. 1225
  26. 3249
  27. 121
  28. 529
  29. 1849
  30. 144
  31. 961
  32. 324
  33. 289
  34. 169
  35. 2704
  36. 8281
  37. 441
  38. 2916
  39. 5041
  40. 4624

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