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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 784 · 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. 1.57² =
  2. 2.97² =
  3. 3.16² =
  4. 4.22² =
  5. 5.96² =
  6. 6.54² =
  7. 7.51² =
  8. 8.88² =
  9. 9.18² =
  10. 10.65² =
  11. 11.93² =
  12. 12.43² =
  13. 13.46² =
  14. 14.53² =
  15. 15.93² =
  16. 16.99² =
  17. 17.84² =
  18. 18.35² =
  19. 19.39² =
  20. 20.62² =
  21. 21.53² =
  22. 22.96² =
  23. 23.63² =
  24. 24.78² =
  25. 25.95² =
  26. 26.28² =
  27. 27.22² =
  28. 28.49² =
  29. 29.76² =
  30. 30.21² =
  31. 31.16² =
  32. 32.29² =
  33. 33.64² =
  34. 34.84² =
  35. 35.47² =
  36. 36.71² =
  37. 37.57² =
  38. 38.21² =
  39. 39.75² =
  40. 40.33² =

Answer key

  1. 3249
  2. 9409
  3. 256
  4. 484
  5. 9216
  6. 2916
  7. 2601
  8. 7744
  9. 324
  10. 4225
  11. 8649
  12. 1849
  13. 2116
  14. 2809
  15. 8649
  16. 9801
  17. 7056
  18. 1225
  19. 1521
  20. 3844
  21. 2809
  22. 9216
  23. 3969
  24. 6084
  25. 9025
  26. 784
  27. 484
  28. 2401
  29. 5776
  30. 441
  31. 256
  32. 841
  33. 4096
  34. 7056
  35. 2209
  36. 5041
  37. 3249
  38. 441
  39. 5625
  40. 1089

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