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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 370 · 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. 2.85² =
  3. 3.34² =
  4. 4.91² =
  5. 5.13² =
  6. 6.57² =
  7. 7.19² =
  8. 8.71² =
  9. 9.45² =
  10. 10.43² =
  11. 11.61² =
  12. 12.14² =
  13. 13.18² =
  14. 14.62² =
  15. 15.19² =
  16. 16.33² =
  17. 17.76² =
  18. 18.18² =
  19. 19.92² =
  20. 20.28² =
  21. 21.21² =
  22. 22.45² =
  23. 23.63² =
  24. 24.26² =
  25. 25.93² =
  26. 26.96² =
  27. 27.59² =
  28. 28.12² =
  29. 29.96² =
  30. 30.63² =
  31. 31.35² =
  32. 32.12² =
  33. 33.27² =
  34. 34.44² =
  35. 35.13² =
  36. 36.91² =
  37. 37.91² =
  38. 38.38² =
  39. 39.94² =
  40. 40.13² =

Answer key

  1. 5041
  2. 7225
  3. 1156
  4. 8281
  5. 169
  6. 3249
  7. 361
  8. 5041
  9. 2025
  10. 1849
  11. 3721
  12. 196
  13. 324
  14. 3844
  15. 361
  16. 1089
  17. 5776
  18. 324
  19. 8464
  20. 784
  21. 441
  22. 2025
  23. 3969
  24. 676
  25. 8649
  26. 9216
  27. 3481
  28. 144
  29. 9216
  30. 3969
  31. 1225
  32. 144
  33. 729
  34. 1936
  35. 169
  36. 8281
  37. 8281
  38. 1444
  39. 8836
  40. 169

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