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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 86 · 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. 2.39² =
  3. 3.71² =
  4. 4.81² =
  5. 5.86² =
  6. 6.87² =
  7. 7.51² =
  8. 8.64² =
  9. 9.29² =
  10. 10.14² =
  11. 11.91² =
  12. 12.21² =
  13. 13.56² =
  14. 14.35² =
  15. 15.15² =
  16. 16.69² =
  17. 17.89² =
  18. 18.86² =
  19. 19.26² =
  20. 20.37² =
  21. 21.51² =
  22. 22.51² =
  23. 23.94² =
  24. 24.75² =
  25. 25.18² =
  26. 26.24² =
  27. 27.16² =
  28. 28.17² =
  29. 29.71² =
  30. 30.78² =
  31. 31.65² =
  32. 32.51² =
  33. 33.57² =
  34. 34.83² =
  35. 35.48² =
  36. 36.38² =
  37. 37.89² =
  38. 38.13² =
  39. 39.84² =
  40. 40.36² =

Answer key

  1. 9409
  2. 1521
  3. 5041
  4. 6561
  5. 7396
  6. 7569
  7. 2601
  8. 4096
  9. 841
  10. 196
  11. 8281
  12. 441
  13. 3136
  14. 1225
  15. 225
  16. 4761
  17. 7921
  18. 7396
  19. 676
  20. 1369
  21. 2601
  22. 2601
  23. 8836
  24. 5625
  25. 324
  26. 576
  27. 256
  28. 289
  29. 5041
  30. 6084
  31. 4225
  32. 2601
  33. 3249
  34. 6889
  35. 2304
  36. 1444
  37. 7921
  38. 169
  39. 7056
  40. 1296

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