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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 941 · 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. 1.71² =
  2. 2.38² =
  3. 3.17² =
  4. 4.99² =
  5. 5.33² =
  6. 6.88² =
  7. 7.15² =
  8. 8.54² =
  9. 9.15² =
  10. 10.72² =
  11. 11.23² =
  12. 12.37² =
  13. 13.39² =
  14. 14.29² =
  15. 15.76² =
  16. 16.79² =
  17. 17.99² =
  18. 18.15² =
  19. 19.36² =
  20. 20.41² =
  21. 21.37² =
  22. 22.37² =
  23. 23.48² =
  24. 24.43² =
  25. 25.75² =
  26. 26.25² =
  27. 27.16² =
  28. 28.61² =
  29. 29.31² =
  30. 30.19² =
  31. 31.29² =
  32. 32.32² =
  33. 33.68² =
  34. 34.21² =
  35. 35.99² =
  36. 36.91² =
  37. 37.17² =
  38. 38.69² =
  39. 39.56² =
  40. 40.55² =

Answer key

  1. 5041
  2. 1444
  3. 289
  4. 9801
  5. 1089
  6. 7744
  7. 225
  8. 2916
  9. 225
  10. 5184
  11. 529
  12. 1369
  13. 1521
  14. 841
  15. 5776
  16. 6241
  17. 9801
  18. 225
  19. 1296
  20. 1681
  21. 1369
  22. 1369
  23. 2304
  24. 1849
  25. 5625
  26. 625
  27. 256
  28. 3721
  29. 961
  30. 361
  31. 841
  32. 1024
  33. 4624
  34. 441
  35. 9801
  36. 8281
  37. 289
  38. 4761
  39. 3136
  40. 3025

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