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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 340 · 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. 1.54² =
  2. 2.26² =
  3. 3.39² =
  4. 4.16² =
  5. 5.52² =
  6. 6.88² =
  7. 7.23² =
  8. 8.89² =
  9. 9.58² =
  10. 10.16² =
  11. 11.32² =
  12. 12.61² =
  13. 13.14² =
  14. 14.53² =
  15. 15.17² =
  16. 16.71² =
  17. 17.49² =
  18. 18.53² =
  19. 19.39² =
  20. 20.43² =
  21. 21.46² =
  22. 22.16² =
  23. 23.98² =
  24. 24.83² =
  25. 25.48² =
  26. 26.44² =
  27. 27.51² =
  28. 28.21² =
  29. 29.21² =
  30. 30.89² =
  31. 31.16² =
  32. 32.52² =
  33. 33.85² =
  34. 34.51² =
  35. 35.71² =
  36. 36.78² =
  37. 37.89² =
  38. 38.63² =
  39. 39.31² =
  40. 40.81² =

Answer key

  1. 2916
  2. 676
  3. 1521
  4. 256
  5. 2704
  6. 7744
  7. 529
  8. 7921
  9. 3364
  10. 256
  11. 1024
  12. 3721
  13. 196
  14. 2809
  15. 289
  16. 5041
  17. 2401
  18. 2809
  19. 1521
  20. 1849
  21. 2116
  22. 256
  23. 9604
  24. 6889
  25. 2304
  26. 1936
  27. 2601
  28. 441
  29. 441
  30. 7921
  31. 256
  32. 2704
  33. 7225
  34. 2601
  35. 5041
  36. 6084
  37. 7921
  38. 3969
  39. 961
  40. 6561

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