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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 75 · 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. 1.87² =
  2. 2.37² =
  3. 3.55² =
  4. 4.81² =
  5. 5.58² =
  6. 6.71² =
  7. 7.12² =
  8. 8.98² =
  9. 9.41² =
  10. 10.96² =
  11. 11.25² =
  12. 12.38² =
  13. 13.27² =
  14. 14.35² =
  15. 15.14² =
  16. 16.29² =
  17. 17.13² =
  18. 18.19² =
  19. 19.73² =
  20. 20.15² =
  21. 21.48² =
  22. 22.65² =
  23. 23.35² =
  24. 24.23² =
  25. 25.26² =
  26. 26.78² =
  27. 27.51² =
  28. 28.61² =
  29. 29.88² =
  30. 30.83² =
  31. 31.26² =
  32. 32.92² =
  33. 33.84² =
  34. 34.33² =
  35. 35.22² =
  36. 36.95² =
  37. 37.71² =
  38. 38.66² =
  39. 39.27² =
  40. 40.56² =

Answer key

  1. 7569
  2. 1369
  3. 3025
  4. 6561
  5. 3364
  6. 5041
  7. 144
  8. 9604
  9. 1681
  10. 9216
  11. 625
  12. 1444
  13. 729
  14. 1225
  15. 196
  16. 841
  17. 169
  18. 361
  19. 5329
  20. 225
  21. 2304
  22. 4225
  23. 1225
  24. 529
  25. 676
  26. 6084
  27. 2601
  28. 3721
  29. 7744
  30. 6889
  31. 676
  32. 8464
  33. 7056
  34. 1089
  35. 484
  36. 9025
  37. 5041
  38. 4356
  39. 729
  40. 3136

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