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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 885 · 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. 1.17² =
  2. 2.76² =
  3. 3.49² =
  4. 4.97² =
  5. 5.96² =
  6. 6.37² =
  7. 7.11² =
  8. 8.61² =
  9. 9.94² =
  10. 10.39² =
  11. 11.44² =
  12. 12.82² =
  13. 13.27² =
  14. 14.26² =
  15. 15.96² =
  16. 16.75² =
  17. 17.47² =
  18. 18.21² =
  19. 19.21² =
  20. 20.48² =
  21. 21.37² =
  22. 22.66² =
  23. 23.77² =
  24. 24.16² =
  25. 25.92² =
  26. 26.98² =
  27. 27.18² =
  28. 28.98² =
  29. 29.94² =
  30. 30.23² =
  31. 31.93² =
  32. 32.69² =
  33. 33.78² =
  34. 34.43² =
  35. 35.14² =
  36. 36.17² =
  37. 37.84² =
  38. 38.37² =
  39. 39.57² =
  40. 40.55² =

Answer key

  1. 289
  2. 5776
  3. 2401
  4. 9409
  5. 9216
  6. 1369
  7. 121
  8. 3721
  9. 8836
  10. 1521
  11. 1936
  12. 6724
  13. 729
  14. 676
  15. 9216
  16. 5625
  17. 2209
  18. 441
  19. 441
  20. 2304
  21. 1369
  22. 4356
  23. 5929
  24. 256
  25. 8464
  26. 9604
  27. 324
  28. 9604
  29. 8836
  30. 529
  31. 8649
  32. 4761
  33. 6084
  34. 1849
  35. 196
  36. 289
  37. 7056
  38. 1369
  39. 3249
  40. 3025

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