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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 729 · 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. 1.94² =
  2. 2.13² =
  3. 3.77² =
  4. 4.47² =
  5. 5.76² =
  6. 6.24² =
  7. 7.41² =
  8. 8.83² =
  9. 9.78² =
  10. 10.49² =
  11. 11.39² =
  12. 12.14² =
  13. 13.41² =
  14. 14.91² =
  15. 15.12² =
  16. 16.68² =
  17. 17.58² =
  18. 18.34² =
  19. 19.47² =
  20. 20.77² =
  21. 21.23² =
  22. 22.16² =
  23. 23.59² =
  24. 24.51² =
  25. 25.33² =
  26. 26.82² =
  27. 27.71² =
  28. 28.78² =
  29. 29.53² =
  30. 30.29² =
  31. 31.85² =
  32. 32.14² =
  33. 33.58² =
  34. 34.43² =
  35. 35.41² =
  36. 36.81² =
  37. 37.57² =
  38. 38.46² =
  39. 39.72² =
  40. 40.26² =

Answer key

  1. 8836
  2. 169
  3. 5929
  4. 2209
  5. 5776
  6. 576
  7. 1681
  8. 6889
  9. 6084
  10. 2401
  11. 1521
  12. 196
  13. 1681
  14. 8281
  15. 144
  16. 4624
  17. 3364
  18. 1156
  19. 2209
  20. 5929
  21. 529
  22. 256
  23. 3481
  24. 2601
  25. 1089
  26. 6724
  27. 5041
  28. 6084
  29. 2809
  30. 841
  31. 7225
  32. 196
  33. 3364
  34. 1849
  35. 1681
  36. 6561
  37. 3249
  38. 2116
  39. 5184
  40. 676

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