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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 354 · 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. 2.21² =
  3. 3.69² =
  4. 4.92² =
  5. 5.99² =
  6. 6.85² =
  7. 7.72² =
  8. 8.51² =
  9. 9.24² =
  10. 10.51² =
  11. 11.16² =
  12. 12.95² =
  13. 13.25² =
  14. 14.57² =
  15. 15.93² =
  16. 16.14² =
  17. 17.72² =
  18. 18.12² =
  19. 19.49² =
  20. 20.51² =
  21. 21.53² =
  22. 22.42² =
  23. 23.37² =
  24. 24.82² =
  25. 25.69² =
  26. 26.61² =
  27. 27.29² =
  28. 28.73² =
  29. 29.35² =
  30. 30.27² =
  31. 31.58² =
  32. 32.33² =
  33. 33.67² =
  34. 34.61² =
  35. 35.41² =
  36. 36.11² =
  37. 37.19² =
  38. 38.23² =
  39. 39.76² =
  40. 40.84² =

Answer key

  1. 8649
  2. 441
  3. 4761
  4. 8464
  5. 9801
  6. 7225
  7. 5184
  8. 2601
  9. 576
  10. 2601
  11. 256
  12. 9025
  13. 625
  14. 3249
  15. 8649
  16. 196
  17. 5184
  18. 144
  19. 2401
  20. 2601
  21. 2809
  22. 1764
  23. 1369
  24. 6724
  25. 4761
  26. 3721
  27. 841
  28. 5329
  29. 1225
  30. 729
  31. 3364
  32. 1089
  33. 4489
  34. 3721
  35. 1681
  36. 121
  37. 361
  38. 529
  39. 5776
  40. 7056

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