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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 51 · 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. 2.63² =
  3. 3.42² =
  4. 4.91² =
  5. 5.83² =
  6. 6.31² =
  7. 7.99² =
  8. 8.12² =
  9. 9.19² =
  10. 10.57² =
  11. 11.89² =
  12. 12.17² =
  13. 13.41² =
  14. 14.32² =
  15. 15.21² =
  16. 16.18² =
  17. 17.55² =
  18. 18.11² =
  19. 19.98² =
  20. 20.52² =
  21. 21.37² =
  22. 22.58² =
  23. 23.16² =
  24. 24.29² =
  25. 25.31² =
  26. 26.91² =
  27. 27.52² =
  28. 28.43² =
  29. 29.33² =
  30. 30.68² =
  31. 31.41² =
  32. 32.65² =
  33. 33.55² =
  34. 34.92² =
  35. 35.18² =
  36. 36.66² =
  37. 37.63² =
  38. 38.68² =
  39. 39.69² =
  40. 40.41² =

Answer key

  1. 1444
  2. 3969
  3. 1764
  4. 8281
  5. 6889
  6. 961
  7. 9801
  8. 144
  9. 361
  10. 3249
  11. 7921
  12. 289
  13. 1681
  14. 1024
  15. 441
  16. 324
  17. 3025
  18. 121
  19. 9604
  20. 2704
  21. 1369
  22. 3364
  23. 256
  24. 841
  25. 961
  26. 8281
  27. 2704
  28. 1849
  29. 1089
  30. 4624
  31. 1681
  32. 4225
  33. 3025
  34. 8464
  35. 324
  36. 4356
  37. 3969
  38. 4624
  39. 4761
  40. 1681

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