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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 269 · 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. 1.51² =
  2. 2.13² =
  3. 3.17² =
  4. 4.53² =
  5. 5.71² =
  6. 6.62² =
  7. 7.52² =
  8. 8.35² =
  9. 9.36² =
  10. 10.29² =
  11. 11.25² =
  12. 12.91² =
  13. 13.95² =
  14. 14.12² =
  15. 15.91² =
  16. 16.54² =
  17. 17.59² =
  18. 18.75² =
  19. 19.68² =
  20. 20.44² =
  21. 21.96² =
  22. 22.32² =
  23. 23.11² =
  24. 24.88² =
  25. 25.54² =
  26. 26.57² =
  27. 27.14² =
  28. 28.84² =
  29. 29.69² =
  30. 30.51² =
  31. 31.99² =
  32. 32.48² =
  33. 33.48² =
  34. 34.22² =
  35. 35.21² =
  36. 36.74² =
  37. 37.22² =
  38. 38.59² =
  39. 39.49² =
  40. 40.32² =

Answer key

  1. 2601
  2. 169
  3. 289
  4. 2809
  5. 5041
  6. 3844
  7. 2704
  8. 1225
  9. 1296
  10. 841
  11. 625
  12. 8281
  13. 9025
  14. 144
  15. 8281
  16. 2916
  17. 3481
  18. 5625
  19. 4624
  20. 1936
  21. 9216
  22. 1024
  23. 121
  24. 7744
  25. 2916
  26. 3249
  27. 196
  28. 7056
  29. 4761
  30. 2601
  31. 9801
  32. 2304
  33. 2304
  34. 484
  35. 441
  36. 5476
  37. 484
  38. 3481
  39. 2401
  40. 1024

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