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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 275 · 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. 1.12² =
  2. 2.96² =
  3. 3.71² =
  4. 4.29² =
  5. 5.26² =
  6. 6.65² =
  7. 7.99² =
  8. 8.67² =
  9. 9.69² =
  10. 10.27² =
  11. 11.82² =
  12. 12.69² =
  13. 13.36² =
  14. 14.43² =
  15. 15.18² =
  16. 16.87² =
  17. 17.32² =
  18. 18.41² =
  19. 19.84² =
  20. 20.33² =
  21. 21.37² =
  22. 22.67² =
  23. 23.93² =
  24. 24.62² =
  25. 25.79² =
  26. 26.31² =
  27. 27.84² =
  28. 28.51² =
  29. 29.11² =
  30. 30.41² =
  31. 31.31² =
  32. 32.48² =
  33. 33.38² =
  34. 34.16² =
  35. 35.75² =
  36. 36.31² =
  37. 37.61² =
  38. 38.36² =
  39. 39.98² =
  40. 40.21² =

Answer key

  1. 144
  2. 9216
  3. 5041
  4. 841
  5. 676
  6. 4225
  7. 9801
  8. 4489
  9. 4761
  10. 729
  11. 6724
  12. 4761
  13. 1296
  14. 1849
  15. 324
  16. 7569
  17. 1024
  18. 1681
  19. 7056
  20. 1089
  21. 1369
  22. 4489
  23. 8649
  24. 3844
  25. 6241
  26. 961
  27. 7056
  28. 2601
  29. 121
  30. 1681
  31. 961
  32. 2304
  33. 1444
  34. 256
  35. 5625
  36. 961
  37. 3721
  38. 1296
  39. 9604
  40. 441

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