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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 291 · 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. 1.92² =
  2. 2.21² =
  3. 3.61² =
  4. 4.78² =
  5. 5.57² =
  6. 6.61² =
  7. 7.65² =
  8. 8.48² =
  9. 9.78² =
  10. 10.61² =
  11. 11.77² =
  12. 12.99² =
  13. 13.81² =
  14. 14.24² =
  15. 15.99² =
  16. 16.23² =
  17. 17.11² =
  18. 18.77² =
  19. 19.38² =
  20. 20.16² =
  21. 21.46² =
  22. 22.74² =
  23. 23.72² =
  24. 24.21² =
  25. 25.46² =
  26. 26.21² =
  27. 27.82² =
  28. 28.71² =
  29. 29.39² =
  30. 30.43² =
  31. 31.18² =
  32. 32.81² =
  33. 33.29² =
  34. 34.93² =
  35. 35.16² =
  36. 36.33² =
  37. 37.15² =
  38. 38.22² =
  39. 39.34² =
  40. 40.53² =

Answer key

  1. 8464
  2. 441
  3. 3721
  4. 6084
  5. 3249
  6. 3721
  7. 4225
  8. 2304
  9. 6084
  10. 3721
  11. 5929
  12. 9801
  13. 6561
  14. 576
  15. 9801
  16. 529
  17. 121
  18. 5929
  19. 1444
  20. 256
  21. 2116
  22. 5476
  23. 5184
  24. 441
  25. 2116
  26. 441
  27. 6724
  28. 5041
  29. 1521
  30. 1849
  31. 324
  32. 6561
  33. 841
  34. 8649
  35. 256
  36. 1089
  37. 225
  38. 484
  39. 1156
  40. 2809

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