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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 605 · 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. 1.73² =
  2. 2.15² =
  3. 3.93² =
  4. 4.21² =
  5. 5.99² =
  6. 6.33² =
  7. 7.81² =
  8. 8.37² =
  9. 9.51² =
  10. 10.21² =
  11. 11.65² =
  12. 12.46² =
  13. 13.32² =
  14. 14.22² =
  15. 15.14² =
  16. 16.22² =
  17. 17.92² =
  18. 18.81² =
  19. 19.37² =
  20. 20.52² =
  21. 21.92² =
  22. 22.89² =
  23. 23.47² =
  24. 24.23² =
  25. 25.14² =
  26. 26.14² =
  27. 27.89² =
  28. 28.43² =
  29. 29.21² =
  30. 30.64² =
  31. 31.45² =
  32. 32.29² =
  33. 33.99² =
  34. 34.33² =
  35. 35.91² =
  36. 36.54² =
  37. 37.23² =
  38. 38.98² =
  39. 39.38² =
  40. 40.48² =

Answer key

  1. 5329
  2. 225
  3. 8649
  4. 441
  5. 9801
  6. 1089
  7. 6561
  8. 1369
  9. 2601
  10. 441
  11. 4225
  12. 2116
  13. 1024
  14. 484
  15. 196
  16. 484
  17. 8464
  18. 6561
  19. 1369
  20. 2704
  21. 8464
  22. 7921
  23. 2209
  24. 529
  25. 196
  26. 196
  27. 7921
  28. 1849
  29. 441
  30. 4096
  31. 2025
  32. 841
  33. 9801
  34. 1089
  35. 8281
  36. 2916
  37. 529
  38. 9604
  39. 1444
  40. 2304

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