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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 578 · 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. 1.14² =
  2. 2.39² =
  3. 3.48² =
  4. 4.17² =
  5. 5.33² =
  6. 6.75² =
  7. 7.13² =
  8. 8.81² =
  9. 9.29² =
  10. 10.71² =
  11. 11.26² =
  12. 12.27² =
  13. 13.42² =
  14. 14.53² =
  15. 15.69² =
  16. 16.22² =
  17. 17.54² =
  18. 18.21² =
  19. 19.31² =
  20. 20.92² =
  21. 21.21² =
  22. 22.14² =
  23. 23.58² =
  24. 24.66² =
  25. 25.65² =
  26. 26.44² =
  27. 27.27² =
  28. 28.46² =
  29. 29.75² =
  30. 30.16² =
  31. 31.69² =
  32. 32.76² =
  33. 33.29² =
  34. 34.55² =
  35. 35.17² =
  36. 36.18² =
  37. 37.26² =
  38. 38.31² =
  39. 39.48² =
  40. 40.23² =

Answer key

  1. 196
  2. 1521
  3. 2304
  4. 289
  5. 1089
  6. 5625
  7. 169
  8. 6561
  9. 841
  10. 5041
  11. 676
  12. 729
  13. 1764
  14. 2809
  15. 4761
  16. 484
  17. 2916
  18. 441
  19. 961
  20. 8464
  21. 441
  22. 196
  23. 3364
  24. 4356
  25. 4225
  26. 1936
  27. 729
  28. 2116
  29. 5625
  30. 256
  31. 4761
  32. 5776
  33. 841
  34. 3025
  35. 289
  36. 324
  37. 676
  38. 961
  39. 2304
  40. 529

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