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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 697 · 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. 1.98² =
  2. 2.87² =
  3. 3.47² =
  4. 4.49² =
  5. 5.89² =
  6. 6.83² =
  7. 7.17² =
  8. 8.65² =
  9. 9.34² =
  10. 10.33² =
  11. 11.71² =
  12. 12.36² =
  13. 13.98² =
  14. 14.86² =
  15. 15.92² =
  16. 16.87² =
  17. 17.28² =
  18. 18.36² =
  19. 19.82² =
  20. 20.21² =
  21. 21.31² =
  22. 22.82² =
  23. 23.69² =
  24. 24.72² =
  25. 25.82² =
  26. 26.33² =
  27. 27.45² =
  28. 28.19² =
  29. 29.87² =
  30. 30.14² =
  31. 31.41² =
  32. 32.29² =
  33. 33.24² =
  34. 34.62² =
  35. 35.94² =
  36. 36.13² =
  37. 37.31² =
  38. 38.85² =
  39. 39.17² =
  40. 40.23² =

Answer key

  1. 9604
  2. 7569
  3. 2209
  4. 2401
  5. 7921
  6. 6889
  7. 289
  8. 4225
  9. 1156
  10. 1089
  11. 5041
  12. 1296
  13. 9604
  14. 7396
  15. 8464
  16. 7569
  17. 784
  18. 1296
  19. 6724
  20. 441
  21. 961
  22. 6724
  23. 4761
  24. 5184
  25. 6724
  26. 1089
  27. 2025
  28. 361
  29. 7569
  30. 196
  31. 1681
  32. 841
  33. 576
  34. 3844
  35. 8836
  36. 169
  37. 961
  38. 7225
  39. 289
  40. 529

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