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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 397 · 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. 1.28² =
  2. 2.28² =
  3. 3.95² =
  4. 4.93² =
  5. 5.33² =
  6. 6.42² =
  7. 7.89² =
  8. 8.29² =
  9. 9.66² =
  10. 10.27² =
  11. 11.23² =
  12. 12.71² =
  13. 13.17² =
  14. 14.38² =
  15. 15.18² =
  16. 16.54² =
  17. 17.19² =
  18. 18.85² =
  19. 19.14² =
  20. 20.18² =
  21. 21.21² =
  22. 22.81² =
  23. 23.41² =
  24. 24.28² =
  25. 25.43² =
  26. 26.16² =
  27. 27.88² =
  28. 28.59² =
  29. 29.87² =
  30. 30.36² =
  31. 31.81² =
  32. 32.89² =
  33. 33.54² =
  34. 34.19² =
  35. 35.23² =
  36. 36.13² =
  37. 37.25² =
  38. 38.34² =
  39. 39.14² =
  40. 40.59² =

Answer key

  1. 784
  2. 784
  3. 9025
  4. 8649
  5. 1089
  6. 1764
  7. 7921
  8. 841
  9. 4356
  10. 729
  11. 529
  12. 5041
  13. 289
  14. 1444
  15. 324
  16. 2916
  17. 361
  18. 7225
  19. 196
  20. 324
  21. 441
  22. 6561
  23. 1681
  24. 784
  25. 1849
  26. 256
  27. 7744
  28. 3481
  29. 7569
  30. 1296
  31. 6561
  32. 7921
  33. 2916
  34. 361
  35. 529
  36. 169
  37. 625
  38. 1156
  39. 196
  40. 3481

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