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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 668 · 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. 1.94² =
  2. 2.96² =
  3. 3.14² =
  4. 4.26² =
  5. 5.28² =
  6. 6.18² =
  7. 7.16² =
  8. 8.71² =
  9. 9.84² =
  10. 10.34² =
  11. 11.83² =
  12. 12.92² =
  13. 13.32² =
  14. 14.71² =
  15. 15.11² =
  16. 16.94² =
  17. 17.89² =
  18. 18.91² =
  19. 19.61² =
  20. 20.21² =
  21. 21.91² =
  22. 22.91² =
  23. 23.19² =
  24. 24.49² =
  25. 25.89² =
  26. 26.51² =
  27. 27.76² =
  28. 28.23² =
  29. 29.23² =
  30. 30.81² =
  31. 31.15² =
  32. 32.21² =
  33. 33.82² =
  34. 34.47² =
  35. 35.47² =
  36. 36.67² =
  37. 37.69² =
  38. 38.83² =
  39. 39.24² =
  40. 40.52² =

Answer key

  1. 8836
  2. 9216
  3. 196
  4. 676
  5. 784
  6. 324
  7. 256
  8. 5041
  9. 7056
  10. 1156
  11. 6889
  12. 8464
  13. 1024
  14. 5041
  15. 121
  16. 8836
  17. 7921
  18. 8281
  19. 3721
  20. 441
  21. 8281
  22. 8281
  23. 361
  24. 2401
  25. 7921
  26. 2601
  27. 5776
  28. 529
  29. 529
  30. 6561
  31. 225
  32. 441
  33. 6724
  34. 2209
  35. 2209
  36. 4489
  37. 4761
  38. 6889
  39. 576
  40. 2704

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