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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 959 · 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. 1.99² =
  2. 2.11² =
  3. 3.85² =
  4. 4.17² =
  5. 5.75² =
  6. 6.24² =
  7. 7.33² =
  8. 8.25² =
  9. 9.28² =
  10. 10.81² =
  11. 11.54² =
  12. 12.22² =
  13. 13.26² =
  14. 14.91² =
  15. 15.58² =
  16. 16.53² =
  17. 17.85² =
  18. 18.64² =
  19. 19.18² =
  20. 20.61² =
  21. 21.71² =
  22. 22.71² =
  23. 23.72² =
  24. 24.23² =
  25. 25.26² =
  26. 26.37² =
  27. 27.36² =
  28. 28.41² =
  29. 29.31² =
  30. 30.76² =
  31. 31.81² =
  32. 32.55² =
  33. 33.89² =
  34. 34.16² =
  35. 35.81² =
  36. 36.78² =
  37. 37.71² =
  38. 38.84² =
  39. 39.64² =
  40. 40.14² =

Answer key

  1. 9801
  2. 121
  3. 7225
  4. 289
  5. 5625
  6. 576
  7. 1089
  8. 625
  9. 784
  10. 6561
  11. 2916
  12. 484
  13. 676
  14. 8281
  15. 3364
  16. 2809
  17. 7225
  18. 4096
  19. 324
  20. 3721
  21. 5041
  22. 5041
  23. 5184
  24. 529
  25. 676
  26. 1369
  27. 1296
  28. 1681
  29. 961
  30. 5776
  31. 6561
  32. 3025
  33. 7921
  34. 256
  35. 6561
  36. 6084
  37. 5041
  38. 7056
  39. 4096
  40. 196

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