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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 92 · 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. 1.97² =
  2. 2.74² =
  3. 3.12² =
  4. 4.19² =
  5. 5.61² =
  6. 6.31² =
  7. 7.61² =
  8. 8.59² =
  9. 9.27² =
  10. 10.16² =
  11. 11.13² =
  12. 12.89² =
  13. 13.82² =
  14. 14.94² =
  15. 15.48² =
  16. 16.16² =
  17. 17.28² =
  18. 18.34² =
  19. 19.21² =
  20. 20.41² =
  21. 21.21² =
  22. 22.55² =
  23. 23.28² =
  24. 24.23² =
  25. 25.91² =
  26. 26.14² =
  27. 27.39² =
  28. 28.51² =
  29. 29.73² =
  30. 30.65² =
  31. 31.91² =
  32. 32.31² =
  33. 33.94² =
  34. 34.61² =
  35. 35.76² =
  36. 36.71² =
  37. 37.87² =
  38. 38.61² =
  39. 39.21² =
  40. 40.75² =

Answer key

  1. 9409
  2. 5476
  3. 144
  4. 361
  5. 3721
  6. 961
  7. 3721
  8. 3481
  9. 729
  10. 256
  11. 169
  12. 7921
  13. 6724
  14. 8836
  15. 2304
  16. 256
  17. 784
  18. 1156
  19. 441
  20. 1681
  21. 441
  22. 3025
  23. 784
  24. 529
  25. 8281
  26. 196
  27. 1521
  28. 2601
  29. 5329
  30. 4225
  31. 8281
  32. 961
  33. 8836
  34. 3721
  35. 5776
  36. 5041
  37. 7569
  38. 3721
  39. 441
  40. 5625

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