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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 887 · 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. 1.17² =
  2. 2.11² =
  3. 3.41² =
  4. 4.41² =
  5. 5.41² =
  6. 6.33² =
  7. 7.37² =
  8. 8.98² =
  9. 9.97² =
  10. 10.37² =
  11. 11.75² =
  12. 12.87² =
  13. 13.21² =
  14. 14.51² =
  15. 15.62² =
  16. 16.54² =
  17. 17.62² =
  18. 18.62² =
  19. 19.33² =
  20. 20.39² =
  21. 21.16² =
  22. 22.77² =
  23. 23.91² =
  24. 24.41² =
  25. 25.16² =
  26. 26.29² =
  27. 27.88² =
  28. 28.21² =
  29. 29.18² =
  30. 30.17² =
  31. 31.55² =
  32. 32.71² =
  33. 33.23² =
  34. 34.38² =
  35. 35.11² =
  36. 36.35² =
  37. 37.26² =
  38. 38.58² =
  39. 39.59² =
  40. 40.13² =

Answer key

  1. 289
  2. 121
  3. 1681
  4. 1681
  5. 1681
  6. 1089
  7. 1369
  8. 9604
  9. 9409
  10. 1369
  11. 5625
  12. 7569
  13. 441
  14. 2601
  15. 3844
  16. 2916
  17. 3844
  18. 3844
  19. 1089
  20. 1521
  21. 256
  22. 5929
  23. 8281
  24. 1681
  25. 256
  26. 841
  27. 7744
  28. 441
  29. 324
  30. 289
  31. 3025
  32. 5041
  33. 529
  34. 1444
  35. 121
  36. 1225
  37. 676
  38. 3364
  39. 3481
  40. 169

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