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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 157 · 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. 2.95² =
  3. 3.29² =
  4. 4.83² =
  5. 5.94² =
  6. 6.16² =
  7. 7.67² =
  8. 8.26² =
  9. 9.85² =
  10. 10.45² =
  11. 11.17² =
  12. 12.61² =
  13. 13.22² =
  14. 14.33² =
  15. 15.44² =
  16. 16.18² =
  17. 17.84² =
  18. 18.13² =
  19. 19.21² =
  20. 20.92² =
  21. 21.17² =
  22. 22.47² =
  23. 23.29² =
  24. 24.29² =
  25. 25.28² =
  26. 26.22² =
  27. 27.47² =
  28. 28.35² =
  29. 29.33² =
  30. 30.31² =
  31. 31.61² =
  32. 32.64² =
  33. 33.91² =
  34. 34.35² =
  35. 35.61² =
  36. 36.81² =
  37. 37.66² =
  38. 38.23² =
  39. 39.31² =
  40. 40.37² =

Answer key

  1. 5041
  2. 9025
  3. 841
  4. 6889
  5. 8836
  6. 256
  7. 4489
  8. 676
  9. 7225
  10. 2025
  11. 289
  12. 3721
  13. 484
  14. 1089
  15. 1936
  16. 324
  17. 7056
  18. 169
  19. 441
  20. 8464
  21. 289
  22. 2209
  23. 841
  24. 841
  25. 784
  26. 484
  27. 2209
  28. 1225
  29. 1089
  30. 961
  31. 3721
  32. 4096
  33. 8281
  34. 1225
  35. 3721
  36. 6561
  37. 4356
  38. 529
  39. 961
  40. 1369

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