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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 289 · 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. 1.93² =
  2. 2.85² =
  3. 3.11² =
  4. 4.71² =
  5. 5.81² =
  6. 6.58² =
  7. 7.22² =
  8. 8.86² =
  9. 9.25² =
  10. 10.44² =
  11. 11.84² =
  12. 12.14² =
  13. 13.69² =
  14. 14.49² =
  15. 15.37² =
  16. 16.32² =
  17. 17.61² =
  18. 18.23² =
  19. 19.69² =
  20. 20.67² =
  21. 21.84² =
  22. 22.69² =
  23. 23.95² =
  24. 24.23² =
  25. 25.59² =
  26. 26.51² =
  27. 27.11² =
  28. 28.13² =
  29. 29.18² =
  30. 30.99² =
  31. 31.44² =
  32. 32.57² =
  33. 33.57² =
  34. 34.83² =
  35. 35.18² =
  36. 36.52² =
  37. 37.45² =
  38. 38.36² =
  39. 39.34² =
  40. 40.21² =

Answer key

  1. 8649
  2. 7225
  3. 121
  4. 5041
  5. 6561
  6. 3364
  7. 484
  8. 7396
  9. 625
  10. 1936
  11. 7056
  12. 196
  13. 4761
  14. 2401
  15. 1369
  16. 1024
  17. 3721
  18. 529
  19. 4761
  20. 4489
  21. 7056
  22. 4761
  23. 9025
  24. 529
  25. 3481
  26. 2601
  27. 121
  28. 169
  29. 324
  30. 9801
  31. 1936
  32. 3249
  33. 3249
  34. 6889
  35. 324
  36. 2704
  37. 2025
  38. 1296
  39. 1156
  40. 441

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