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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 186 · 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. 1.43² =
  2. 2.37² =
  3. 3.83² =
  4. 4.82² =
  5. 5.61² =
  6. 6.98² =
  7. 7.19² =
  8. 8.19² =
  9. 9.87² =
  10. 10.95² =
  11. 11.47² =
  12. 12.72² =
  13. 13.73² =
  14. 14.36² =
  15. 15.36² =
  16. 16.93² =
  17. 17.83² =
  18. 18.29² =
  19. 19.36² =
  20. 20.86² =
  21. 21.98² =
  22. 22.48² =
  23. 23.18² =
  24. 24.26² =
  25. 25.29² =
  26. 26.85² =
  27. 27.75² =
  28. 28.61² =
  29. 29.14² =
  30. 30.74² =
  31. 31.59² =
  32. 32.65² =
  33. 33.97² =
  34. 34.49² =
  35. 35.97² =
  36. 36.52² =
  37. 37.88² =
  38. 38.53² =
  39. 39.19² =
  40. 40.61² =

Answer key

  1. 1849
  2. 1369
  3. 6889
  4. 6724
  5. 3721
  6. 9604
  7. 361
  8. 361
  9. 7569
  10. 9025
  11. 2209
  12. 5184
  13. 5329
  14. 1296
  15. 1296
  16. 8649
  17. 6889
  18. 841
  19. 1296
  20. 7396
  21. 9604
  22. 2304
  23. 324
  24. 676
  25. 841
  26. 7225
  27. 5625
  28. 3721
  29. 196
  30. 5476
  31. 3481
  32. 4225
  33. 9409
  34. 2401
  35. 9409
  36. 2704
  37. 7744
  38. 2809
  39. 361
  40. 3721

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