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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 77 · 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. 1.64² =
  2. 2.41² =
  3. 3.11² =
  4. 4.24² =
  5. 5.29² =
  6. 6.22² =
  7. 7.51² =
  8. 8.33² =
  9. 9.66² =
  10. 10.53² =
  11. 11.47² =
  12. 12.61² =
  13. 13.27² =
  14. 14.29² =
  15. 15.23² =
  16. 16.19² =
  17. 17.85² =
  18. 18.65² =
  19. 19.28² =
  20. 20.11² =
  21. 21.16² =
  22. 22.16² =
  23. 23.27² =
  24. 24.38² =
  25. 25.55² =
  26. 26.66² =
  27. 27.94² =
  28. 28.27² =
  29. 29.22² =
  30. 30.37² =
  31. 31.88² =
  32. 32.26² =
  33. 33.18² =
  34. 34.87² =
  35. 35.18² =
  36. 36.14² =
  37. 37.75² =
  38. 38.36² =
  39. 39.13² =
  40. 40.15² =

Answer key

  1. 4096
  2. 1681
  3. 121
  4. 576
  5. 841
  6. 484
  7. 2601
  8. 1089
  9. 4356
  10. 2809
  11. 2209
  12. 3721
  13. 729
  14. 841
  15. 529
  16. 361
  17. 7225
  18. 4225
  19. 784
  20. 121
  21. 256
  22. 256
  23. 729
  24. 1444
  25. 3025
  26. 4356
  27. 8836
  28. 729
  29. 484
  30. 1369
  31. 7744
  32. 676
  33. 324
  34. 7569
  35. 324
  36. 196
  37. 5625
  38. 1296
  39. 169
  40. 225

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