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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 125 · 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. 2.92² =
  3. 3.34² =
  4. 4.89² =
  5. 5.14² =
  6. 6.48² =
  7. 7.87² =
  8. 8.93² =
  9. 9.75² =
  10. 10.13² =
  11. 11.65² =
  12. 12.61² =
  13. 13.29² =
  14. 14.77² =
  15. 15.21² =
  16. 16.63² =
  17. 17.91² =
  18. 18.17² =
  19. 19.19² =
  20. 20.35² =
  21. 21.72² =
  22. 22.94² =
  23. 23.55² =
  24. 24.29² =
  25. 25.24² =
  26. 26.39² =
  27. 27.46² =
  28. 28.22² =
  29. 29.71² =
  30. 30.39² =
  31. 31.85² =
  32. 32.33² =
  33. 33.86² =
  34. 34.28² =
  35. 35.91² =
  36. 36.61² =
  37. 37.15² =
  38. 38.27² =
  39. 39.21² =
  40. 40.49² =

Answer key

  1. 8649
  2. 8464
  3. 1156
  4. 7921
  5. 196
  6. 2304
  7. 7569
  8. 8649
  9. 5625
  10. 169
  11. 4225
  12. 3721
  13. 841
  14. 5929
  15. 441
  16. 3969
  17. 8281
  18. 289
  19. 361
  20. 1225
  21. 5184
  22. 8836
  23. 3025
  24. 841
  25. 576
  26. 1521
  27. 2116
  28. 484
  29. 5041
  30. 1521
  31. 7225
  32. 1089
  33. 7396
  34. 784
  35. 8281
  36. 3721
  37. 225
  38. 729
  39. 441
  40. 2401

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