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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 466 · 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. 1.13² =
  2. 2.95² =
  3. 3.14² =
  4. 4.17² =
  5. 5.47² =
  6. 6.29² =
  7. 7.61² =
  8. 8.56² =
  9. 9.92² =
  10. 10.88² =
  11. 11.52² =
  12. 12.91² =
  13. 13.49² =
  14. 14.85² =
  15. 15.97² =
  16. 16.74² =
  17. 17.37² =
  18. 18.14² =
  19. 19.71² =
  20. 20.99² =
  21. 21.62² =
  22. 22.31² =
  23. 23.92² =
  24. 24.58² =
  25. 25.54² =
  26. 26.37² =
  27. 27.95² =
  28. 28.35² =
  29. 29.49² =
  30. 30.62² =
  31. 31.56² =
  32. 32.47² =
  33. 33.68² =
  34. 34.39² =
  35. 35.55² =
  36. 36.47² =
  37. 37.26² =
  38. 38.26² =
  39. 39.82² =
  40. 40.84² =

Answer key

  1. 169
  2. 9025
  3. 196
  4. 289
  5. 2209
  6. 841
  7. 3721
  8. 3136
  9. 8464
  10. 7744
  11. 2704
  12. 8281
  13. 2401
  14. 7225
  15. 9409
  16. 5476
  17. 1369
  18. 196
  19. 5041
  20. 9801
  21. 3844
  22. 961
  23. 8464
  24. 3364
  25. 2916
  26. 1369
  27. 9025
  28. 1225
  29. 2401
  30. 3844
  31. 3136
  32. 2209
  33. 4624
  34. 1521
  35. 3025
  36. 2209
  37. 676
  38. 676
  39. 6724
  40. 7056

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