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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 431 · 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. 1.77² =
  2. 2.44² =
  3. 3.76² =
  4. 4.65² =
  5. 5.38² =
  6. 6.46² =
  7. 7.42² =
  8. 8.21² =
  9. 9.46² =
  10. 10.77² =
  11. 11.78² =
  12. 12.15² =
  13. 13.77² =
  14. 14.16² =
  15. 15.75² =
  16. 16.98² =
  17. 17.71² =
  18. 18.96² =
  19. 19.94² =
  20. 20.98² =
  21. 21.24² =
  22. 22.66² =
  23. 23.98² =
  24. 24.15² =
  25. 25.71² =
  26. 26.81² =
  27. 27.98² =
  28. 28.89² =
  29. 29.46² =
  30. 30.18² =
  31. 31.46² =
  32. 32.14² =
  33. 33.37² =
  34. 34.19² =
  35. 35.35² =
  36. 36.95² =
  37. 37.42² =
  38. 38.83² =
  39. 39.35² =
  40. 40.36² =

Answer key

  1. 5929
  2. 1936
  3. 5776
  4. 4225
  5. 1444
  6. 2116
  7. 1764
  8. 441
  9. 2116
  10. 5929
  11. 6084
  12. 225
  13. 5929
  14. 256
  15. 5625
  16. 9604
  17. 5041
  18. 9216
  19. 8836
  20. 9604
  21. 576
  22. 4356
  23. 9604
  24. 225
  25. 5041
  26. 6561
  27. 9604
  28. 7921
  29. 2116
  30. 324
  31. 2116
  32. 196
  33. 1369
  34. 361
  35. 1225
  36. 9025
  37. 1764
  38. 6889
  39. 1225
  40. 1296

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