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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 50 · 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. 1.51² =
  2. 2.75² =
  3. 3.73² =
  4. 4.92² =
  5. 5.38² =
  6. 6.36² =
  7. 7.11² =
  8. 8.93² =
  9. 9.29² =
  10. 10.88² =
  11. 11.65² =
  12. 12.52² =
  13. 13.12² =
  14. 14.15² =
  15. 15.58² =
  16. 16.54² =
  17. 17.31² =
  18. 18.91² =
  19. 19.51² =
  20. 20.92² =
  21. 21.33² =
  22. 22.48² =
  23. 23.32² =
  24. 24.68² =
  25. 25.65² =
  26. 26.55² =
  27. 27.37² =
  28. 28.43² =
  29. 29.51² =
  30. 30.54² =
  31. 31.91² =
  32. 32.41² =
  33. 33.71² =
  34. 34.41² =
  35. 35.78² =
  36. 36.89² =
  37. 37.16² =
  38. 38.85² =
  39. 39.74² =
  40. 40.36² =

Answer key

  1. 2601
  2. 5625
  3. 5329
  4. 8464
  5. 1444
  6. 1296
  7. 121
  8. 8649
  9. 841
  10. 7744
  11. 4225
  12. 2704
  13. 144
  14. 225
  15. 3364
  16. 2916
  17. 961
  18. 8281
  19. 2601
  20. 8464
  21. 1089
  22. 2304
  23. 1024
  24. 4624
  25. 4225
  26. 3025
  27. 1369
  28. 1849
  29. 2601
  30. 2916
  31. 8281
  32. 1681
  33. 5041
  34. 1681
  35. 6084
  36. 7921
  37. 256
  38. 7225
  39. 5476
  40. 1296

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