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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 244 · 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. 1.18² =
  2. 2.47² =
  3. 3.38² =
  4. 4.31² =
  5. 5.61² =
  6. 6.59² =
  7. 7.14² =
  8. 8.54² =
  9. 9.46² =
  10. 10.28² =
  11. 11.14² =
  12. 12.93² =
  13. 13.34² =
  14. 14.77² =
  15. 15.71² =
  16. 16.38² =
  17. 17.18² =
  18. 18.41² =
  19. 19.91² =
  20. 20.91² =
  21. 21.71² =
  22. 22.29² =
  23. 23.87² =
  24. 24.51² =
  25. 25.33² =
  26. 26.95² =
  27. 27.41² =
  28. 28.59² =
  29. 29.83² =
  30. 30.88² =
  31. 31.95² =
  32. 32.46² =
  33. 33.45² =
  34. 34.64² =
  35. 35.85² =
  36. 36.21² =
  37. 37.52² =
  38. 38.36² =
  39. 39.49² =
  40. 40.99² =

Answer key

  1. 324
  2. 2209
  3. 1444
  4. 961
  5. 3721
  6. 3481
  7. 196
  8. 2916
  9. 2116
  10. 784
  11. 196
  12. 8649
  13. 1156
  14. 5929
  15. 5041
  16. 1444
  17. 324
  18. 1681
  19. 8281
  20. 8281
  21. 5041
  22. 841
  23. 7569
  24. 2601
  25. 1089
  26. 9025
  27. 1681
  28. 3481
  29. 6889
  30. 7744
  31. 9025
  32. 2116
  33. 2025
  34. 4096
  35. 7225
  36. 441
  37. 2704
  38. 1296
  39. 2401
  40. 9801

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