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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 877 · 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. 1.21² =
  2. 2.12² =
  3. 3.19² =
  4. 4.63² =
  5. 5.29² =
  6. 6.64² =
  7. 7.74² =
  8. 8.57² =
  9. 9.48² =
  10. 10.63² =
  11. 11.31² =
  12. 12.29² =
  13. 13.82² =
  14. 14.37² =
  15. 15.75² =
  16. 16.34² =
  17. 17.48² =
  18. 18.17² =
  19. 19.96² =
  20. 20.71² =
  21. 21.37² =
  22. 22.28² =
  23. 23.93² =
  24. 24.12² =
  25. 25.61² =
  26. 26.35² =
  27. 27.91² =
  28. 28.81² =
  29. 29.21² =
  30. 30.39² =
  31. 31.75² =
  32. 32.73² =
  33. 33.55² =
  34. 34.31² =
  35. 35.45² =
  36. 36.63² =
  37. 37.34² =
  38. 38.41² =
  39. 39.28² =
  40. 40.85² =

Answer key

  1. 441
  2. 144
  3. 361
  4. 3969
  5. 841
  6. 4096
  7. 5476
  8. 3249
  9. 2304
  10. 3969
  11. 961
  12. 841
  13. 6724
  14. 1369
  15. 5625
  16. 1156
  17. 2304
  18. 289
  19. 9216
  20. 5041
  21. 1369
  22. 784
  23. 8649
  24. 144
  25. 3721
  26. 1225
  27. 8281
  28. 6561
  29. 441
  30. 1521
  31. 5625
  32. 5329
  33. 3025
  34. 961
  35. 2025
  36. 3969
  37. 1156
  38. 1681
  39. 784
  40. 7225

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