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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 783 · 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. 2.96² =
  3. 3.22² =
  4. 4.31² =
  5. 5.95² =
  6. 6.39² =
  7. 7.83² =
  8. 8.91² =
  9. 9.35² =
  10. 10.19² =
  11. 11.64² =
  12. 12.46² =
  13. 13.38² =
  14. 14.58² =
  15. 15.36² =
  16. 16.74² =
  17. 17.51² =
  18. 18.44² =
  19. 19.77² =
  20. 20.94² =
  21. 21.81² =
  22. 22.14² =
  23. 23.96² =
  24. 24.68² =
  25. 25.12² =
  26. 26.79² =
  27. 27.95² =
  28. 28.51² =
  29. 29.92² =
  30. 30.86² =
  31. 31.79² =
  32. 32.91² =
  33. 33.85² =
  34. 34.24² =
  35. 35.93² =
  36. 36.29² =
  37. 37.16² =
  38. 38.62² =
  39. 39.12² =
  40. 40.95² =

Answer key

  1. 5041
  2. 9216
  3. 484
  4. 961
  5. 9025
  6. 1521
  7. 6889
  8. 8281
  9. 1225
  10. 361
  11. 4096
  12. 2116
  13. 1444
  14. 3364
  15. 1296
  16. 5476
  17. 2601
  18. 1936
  19. 5929
  20. 8836
  21. 6561
  22. 196
  23. 9216
  24. 4624
  25. 144
  26. 6241
  27. 9025
  28. 2601
  29. 8464
  30. 7396
  31. 6241
  32. 8281
  33. 7225
  34. 576
  35. 8649
  36. 841
  37. 256
  38. 3844
  39. 144
  40. 9025

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