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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 359 · 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. 1.71² =
  2. 2.14² =
  3. 3.67² =
  4. 4.22² =
  5. 5.25² =
  6. 6.96² =
  7. 7.14² =
  8. 8.28² =
  9. 9.63² =
  10. 10.98² =
  11. 11.64² =
  12. 12.42² =
  13. 13.33² =
  14. 14.38² =
  15. 15.87² =
  16. 16.69² =
  17. 17.29² =
  18. 18.79² =
  19. 19.63² =
  20. 20.85² =
  21. 21.74² =
  22. 22.53² =
  23. 23.36² =
  24. 24.99² =
  25. 25.84² =
  26. 26.38² =
  27. 27.73² =
  28. 28.55² =
  29. 29.36² =
  30. 30.51² =
  31. 31.52² =
  32. 32.42² =
  33. 33.85² =
  34. 34.91² =
  35. 35.65² =
  36. 36.21² =
  37. 37.74² =
  38. 38.89² =
  39. 39.16² =
  40. 40.44² =

Answer key

  1. 5041
  2. 196
  3. 4489
  4. 484
  5. 625
  6. 9216
  7. 196
  8. 784
  9. 3969
  10. 9604
  11. 4096
  12. 1764
  13. 1089
  14. 1444
  15. 7569
  16. 4761
  17. 841
  18. 6241
  19. 3969
  20. 7225
  21. 5476
  22. 2809
  23. 1296
  24. 9801
  25. 7056
  26. 1444
  27. 5329
  28. 3025
  29. 1296
  30. 2601
  31. 2704
  32. 1764
  33. 7225
  34. 8281
  35. 4225
  36. 441
  37. 5476
  38. 7921
  39. 256
  40. 1936

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