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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 531 · 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. 1.33² =
  2. 2.81² =
  3. 3.31² =
  4. 4.68² =
  5. 5.53² =
  6. 6.86² =
  7. 7.79² =
  8. 8.27² =
  9. 9.36² =
  10. 10.51² =
  11. 11.47² =
  12. 12.83² =
  13. 13.99² =
  14. 14.47² =
  15. 15.81² =
  16. 16.31² =
  17. 17.78² =
  18. 18.87² =
  19. 19.32² =
  20. 20.98² =
  21. 21.31² =
  22. 22.79² =
  23. 23.68² =
  24. 24.21² =
  25. 25.29² =
  26. 26.64² =
  27. 27.98² =
  28. 28.74² =
  29. 29.24² =
  30. 30.14² =
  31. 31.89² =
  32. 32.19² =
  33. 33.59² =
  34. 34.13² =
  35. 35.62² =
  36. 36.78² =
  37. 37.18² =
  38. 38.42² =
  39. 39.42² =
  40. 40.21² =

Answer key

  1. 1089
  2. 6561
  3. 961
  4. 4624
  5. 2809
  6. 7396
  7. 6241
  8. 729
  9. 1296
  10. 2601
  11. 2209
  12. 6889
  13. 9801
  14. 2209
  15. 6561
  16. 961
  17. 6084
  18. 7569
  19. 1024
  20. 9604
  21. 961
  22. 6241
  23. 4624
  24. 441
  25. 841
  26. 4096
  27. 9604
  28. 5476
  29. 576
  30. 196
  31. 7921
  32. 361
  33. 3481
  34. 169
  35. 3844
  36. 6084
  37. 324
  38. 1764
  39. 1764
  40. 441

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