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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 685 · 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. 1.79² =
  2. 2.12² =
  3. 3.46² =
  4. 4.31² =
  5. 5.31² =
  6. 6.11² =
  7. 7.36² =
  8. 8.17² =
  9. 9.76² =
  10. 10.91² =
  11. 11.71² =
  12. 12.23² =
  13. 13.22² =
  14. 14.41² =
  15. 15.56² =
  16. 16.22² =
  17. 17.86² =
  18. 18.26² =
  19. 19.48² =
  20. 20.59² =
  21. 21.81² =
  22. 22.58² =
  23. 23.81² =
  24. 24.98² =
  25. 25.89² =
  26. 26.41² =
  27. 27.87² =
  28. 28.98² =
  29. 29.18² =
  30. 30.95² =
  31. 31.12² =
  32. 32.95² =
  33. 33.78² =
  34. 34.51² =
  35. 35.59² =
  36. 36.86² =
  37. 37.91² =
  38. 38.61² =
  39. 39.12² =
  40. 40.51² =

Answer key

  1. 6241
  2. 144
  3. 2116
  4. 961
  5. 961
  6. 121
  7. 1296
  8. 289
  9. 5776
  10. 8281
  11. 5041
  12. 529
  13. 484
  14. 1681
  15. 3136
  16. 484
  17. 7396
  18. 676
  19. 2304
  20. 3481
  21. 6561
  22. 3364
  23. 6561
  24. 9604
  25. 7921
  26. 1681
  27. 7569
  28. 9604
  29. 324
  30. 9025
  31. 144
  32. 9025
  33. 6084
  34. 2601
  35. 3481
  36. 7396
  37. 8281
  38. 3721
  39. 144
  40. 2601

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