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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 45 · 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. 1.81² =
  2. 2.84² =
  3. 3.42² =
  4. 4.13² =
  5. 5.94² =
  6. 6.42² =
  7. 7.68² =
  8. 8.99² =
  9. 9.45² =
  10. 10.27² =
  11. 11.75² =
  12. 12.71² =
  13. 13.17² =
  14. 14.98² =
  15. 15.25² =
  16. 16.27² =
  17. 17.95² =
  18. 18.39² =
  19. 19.37² =
  20. 20.74² =
  21. 21.86² =
  22. 22.81² =
  23. 23.12² =
  24. 24.64² =
  25. 25.13² =
  26. 26.98² =
  27. 27.67² =
  28. 28.69² =
  29. 29.15² =
  30. 30.58² =
  31. 31.36² =
  32. 32.16² =
  33. 33.69² =
  34. 34.81² =
  35. 35.63² =
  36. 36.81² =
  37. 37.21² =
  38. 38.82² =
  39. 39.48² =
  40. 40.31² =

Answer key

  1. 6561
  2. 7056
  3. 1764
  4. 169
  5. 8836
  6. 1764
  7. 4624
  8. 9801
  9. 2025
  10. 729
  11. 5625
  12. 5041
  13. 289
  14. 9604
  15. 625
  16. 729
  17. 9025
  18. 1521
  19. 1369
  20. 5476
  21. 7396
  22. 6561
  23. 144
  24. 4096
  25. 169
  26. 9604
  27. 4489
  28. 4761
  29. 225
  30. 3364
  31. 1296
  32. 256
  33. 4761
  34. 6561
  35. 3969
  36. 6561
  37. 441
  38. 6724
  39. 2304
  40. 961

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