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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 461 · 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. 1.53² =
  2. 2.43² =
  3. 3.94² =
  4. 4.14² =
  5. 5.14² =
  6. 6.82² =
  7. 7.32² =
  8. 8.69² =
  9. 9.46² =
  10. 10.52² =
  11. 11.25² =
  12. 12.61² =
  13. 13.99² =
  14. 14.85² =
  15. 15.15² =
  16. 16.58² =
  17. 17.28² =
  18. 18.91² =
  19. 19.25² =
  20. 20.83² =
  21. 21.33² =
  22. 22.88² =
  23. 23.25² =
  24. 24.94² =
  25. 25.69² =
  26. 26.61² =
  27. 27.63² =
  28. 28.31² =
  29. 29.21² =
  30. 30.76² =
  31. 31.78² =
  32. 32.37² =
  33. 33.71² =
  34. 34.65² =
  35. 35.93² =
  36. 36.79² =
  37. 37.52² =
  38. 38.94² =
  39. 39.13² =
  40. 40.35² =

Answer key

  1. 2809
  2. 1849
  3. 8836
  4. 196
  5. 196
  6. 6724
  7. 1024
  8. 4761
  9. 2116
  10. 2704
  11. 625
  12. 3721
  13. 9801
  14. 7225
  15. 225
  16. 3364
  17. 784
  18. 8281
  19. 625
  20. 6889
  21. 1089
  22. 7744
  23. 625
  24. 8836
  25. 4761
  26. 3721
  27. 3969
  28. 961
  29. 441
  30. 5776
  31. 6084
  32. 1369
  33. 5041
  34. 4225
  35. 8649
  36. 6241
  37. 2704
  38. 8836
  39. 169
  40. 1225

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