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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 393 · 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. 1.14² =
  2. 2.17² =
  3. 3.95² =
  4. 4.21² =
  5. 5.16² =
  6. 6.88² =
  7. 7.21² =
  8. 8.53² =
  9. 9.18² =
  10. 10.22² =
  11. 11.29² =
  12. 12.37² =
  13. 13.61² =
  14. 14.85² =
  15. 15.93² =
  16. 16.17² =
  17. 17.29² =
  18. 18.71² =
  19. 19.87² =
  20. 20.11² =
  21. 21.78² =
  22. 22.37² =
  23. 23.93² =
  24. 24.71² =
  25. 25.72² =
  26. 26.55² =
  27. 27.78² =
  28. 28.21² =
  29. 29.14² =
  30. 30.26² =
  31. 31.18² =
  32. 32.41² =
  33. 33.88² =
  34. 34.13² =
  35. 35.22² =
  36. 36.14² =
  37. 37.72² =
  38. 38.34² =
  39. 39.11² =
  40. 40.12² =

Answer key

  1. 196
  2. 289
  3. 9025
  4. 441
  5. 256
  6. 7744
  7. 441
  8. 2809
  9. 324
  10. 484
  11. 841
  12. 1369
  13. 3721
  14. 7225
  15. 8649
  16. 289
  17. 841
  18. 5041
  19. 7569
  20. 121
  21. 6084
  22. 1369
  23. 8649
  24. 5041
  25. 5184
  26. 3025
  27. 6084
  28. 441
  29. 196
  30. 676
  31. 324
  32. 1681
  33. 7744
  34. 169
  35. 484
  36. 196
  37. 5184
  38. 1156
  39. 121
  40. 144

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