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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 849 · 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. 1.78² =
  2. 2.67² =
  3. 3.91² =
  4. 4.95² =
  5. 5.11² =
  6. 6.44² =
  7. 7.59² =
  8. 8.27² =
  9. 9.26² =
  10. 10.26² =
  11. 11.99² =
  12. 12.73² =
  13. 13.45² =
  14. 14.88² =
  15. 15.37² =
  16. 16.64² =
  17. 17.14² =
  18. 18.91² =
  19. 19.64² =
  20. 20.96² =
  21. 21.14² =
  22. 22.33² =
  23. 23.51² =
  24. 24.91² =
  25. 25.21² =
  26. 26.67² =
  27. 27.92² =
  28. 28.62² =
  29. 29.24² =
  30. 30.64² =
  31. 31.42² =
  32. 32.46² =
  33. 33.32² =
  34. 34.93² =
  35. 35.32² =
  36. 36.52² =
  37. 37.11² =
  38. 38.36² =
  39. 39.89² =
  40. 40.53² =

Answer key

  1. 6084
  2. 4489
  3. 8281
  4. 9025
  5. 121
  6. 1936
  7. 3481
  8. 729
  9. 676
  10. 676
  11. 9801
  12. 5329
  13. 2025
  14. 7744
  15. 1369
  16. 4096
  17. 196
  18. 8281
  19. 4096
  20. 9216
  21. 196
  22. 1089
  23. 2601
  24. 8281
  25. 441
  26. 4489
  27. 8464
  28. 3844
  29. 576
  30. 4096
  31. 1764
  32. 2116
  33. 1024
  34. 8649
  35. 1024
  36. 2704
  37. 121
  38. 1296
  39. 7921
  40. 2809

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