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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 48 · 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. 1.52² =
  2. 2.22² =
  3. 3.34² =
  4. 4.94² =
  5. 5.96² =
  6. 6.81² =
  7. 7.68² =
  8. 8.34² =
  9. 9.79² =
  10. 10.96² =
  11. 11.98² =
  12. 12.61² =
  13. 13.46² =
  14. 14.34² =
  15. 15.68² =
  16. 16.34² =
  17. 17.46² =
  18. 18.29² =
  19. 19.82² =
  20. 20.28² =
  21. 21.92² =
  22. 22.74² =
  23. 23.26² =
  24. 24.88² =
  25. 25.58² =
  26. 26.75² =
  27. 27.76² =
  28. 28.91² =
  29. 29.86² =
  30. 30.81² =
  31. 31.11² =
  32. 32.86² =
  33. 33.49² =
  34. 34.81² =
  35. 35.69² =
  36. 36.95² =
  37. 37.13² =
  38. 38.21² =
  39. 39.94² =
  40. 40.48² =

Answer key

  1. 2704
  2. 484
  3. 1156
  4. 8836
  5. 9216
  6. 6561
  7. 4624
  8. 1156
  9. 6241
  10. 9216
  11. 9604
  12. 3721
  13. 2116
  14. 1156
  15. 4624
  16. 1156
  17. 2116
  18. 841
  19. 6724
  20. 784
  21. 8464
  22. 5476
  23. 676
  24. 7744
  25. 3364
  26. 5625
  27. 5776
  28. 8281
  29. 7396
  30. 6561
  31. 121
  32. 7396
  33. 2401
  34. 6561
  35. 4761
  36. 9025
  37. 169
  38. 441
  39. 8836
  40. 2304

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