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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 744 · 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. 1.13² =
  2. 2.95² =
  3. 3.36² =
  4. 4.34² =
  5. 5.81² =
  6. 6.47² =
  7. 7.74² =
  8. 8.31² =
  9. 9.91² =
  10. 10.88² =
  11. 11.74² =
  12. 12.71² =
  13. 13.14² =
  14. 14.57² =
  15. 15.88² =
  16. 16.73² =
  17. 17.54² =
  18. 18.91² =
  19. 19.43² =
  20. 20.37² =
  21. 21.41² =
  22. 22.89² =
  23. 23.92² =
  24. 24.58² =
  25. 25.36² =
  26. 26.49² =
  27. 27.54² =
  28. 28.38² =
  29. 29.47² =
  30. 30.12² =
  31. 31.78² =
  32. 32.96² =
  33. 33.41² =
  34. 34.25² =
  35. 35.63² =
  36. 36.51² =
  37. 37.14² =
  38. 38.53² =
  39. 39.66² =
  40. 40.46² =

Answer key

  1. 169
  2. 9025
  3. 1296
  4. 1156
  5. 6561
  6. 2209
  7. 5476
  8. 961
  9. 8281
  10. 7744
  11. 5476
  12. 5041
  13. 196
  14. 3249
  15. 7744
  16. 5329
  17. 2916
  18. 8281
  19. 1849
  20. 1369
  21. 1681
  22. 7921
  23. 8464
  24. 3364
  25. 1296
  26. 2401
  27. 2916
  28. 1444
  29. 2209
  30. 144
  31. 6084
  32. 9216
  33. 1681
  34. 625
  35. 3969
  36. 2601
  37. 196
  38. 2809
  39. 4356
  40. 2116

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