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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 266 · 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. 1.71² =
  2. 2.32² =
  3. 3.84² =
  4. 4.13² =
  5. 5.33² =
  6. 6.34² =
  7. 7.98² =
  8. 8.65² =
  9. 9.88² =
  10. 10.67² =
  11. 11.12² =
  12. 12.21² =
  13. 13.69² =
  14. 14.71² =
  15. 15.51² =
  16. 16.62² =
  17. 17.14² =
  18. 18.42² =
  19. 19.12² =
  20. 20.86² =
  21. 21.12² =
  22. 22.72² =
  23. 23.51² =
  24. 24.26² =
  25. 25.59² =
  26. 26.23² =
  27. 27.19² =
  28. 28.51² =
  29. 29.98² =
  30. 30.68² =
  31. 31.74² =
  32. 32.37² =
  33. 33.34² =
  34. 34.32² =
  35. 35.91² =
  36. 36.71² =
  37. 37.39² =
  38. 38.91² =
  39. 39.97² =
  40. 40.27² =

Answer key

  1. 5041
  2. 1024
  3. 7056
  4. 169
  5. 1089
  6. 1156
  7. 9604
  8. 4225
  9. 7744
  10. 4489
  11. 144
  12. 441
  13. 4761
  14. 5041
  15. 2601
  16. 3844
  17. 196
  18. 1764
  19. 144
  20. 7396
  21. 144
  22. 5184
  23. 2601
  24. 676
  25. 3481
  26. 529
  27. 361
  28. 2601
  29. 9604
  30. 4624
  31. 5476
  32. 1369
  33. 1156
  34. 1024
  35. 8281
  36. 5041
  37. 1521
  38. 8281
  39. 9409
  40. 729

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