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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 141 · 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. 1.75² =
  2. 2.31² =
  3. 3.46² =
  4. 4.48² =
  5. 5.85² =
  6. 6.38² =
  7. 7.69² =
  8. 8.31² =
  9. 9.92² =
  10. 10.21² =
  11. 11.71² =
  12. 12.33² =
  13. 13.44² =
  14. 14.91² =
  15. 15.24² =
  16. 16.89² =
  17. 17.19² =
  18. 18.36² =
  19. 19.84² =
  20. 20.72² =
  21. 21.64² =
  22. 22.19² =
  23. 23.17² =
  24. 24.61² =
  25. 25.62² =
  26. 26.58² =
  27. 27.97² =
  28. 28.58² =
  29. 29.65² =
  30. 30.91² =
  31. 31.83² =
  32. 32.88² =
  33. 33.34² =
  34. 34.86² =
  35. 35.21² =
  36. 36.84² =
  37. 37.91² =
  38. 38.94² =
  39. 39.49² =
  40. 40.73² =

Answer key

  1. 5625
  2. 961
  3. 2116
  4. 2304
  5. 7225
  6. 1444
  7. 4761
  8. 961
  9. 8464
  10. 441
  11. 5041
  12. 1089
  13. 1936
  14. 8281
  15. 576
  16. 7921
  17. 361
  18. 1296
  19. 7056
  20. 5184
  21. 4096
  22. 361
  23. 289
  24. 3721
  25. 3844
  26. 3364
  27. 9409
  28. 3364
  29. 4225
  30. 8281
  31. 6889
  32. 7744
  33. 1156
  34. 7396
  35. 441
  36. 7056
  37. 8281
  38. 8836
  39. 2401
  40. 5329

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