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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 780 · 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. 1.57² =
  2. 2.24² =
  3. 3.61² =
  4. 4.61² =
  5. 5.91² =
  6. 6.16² =
  7. 7.92² =
  8. 8.24² =
  9. 9.51² =
  10. 10.27² =
  11. 11.26² =
  12. 12.85² =
  13. 13.38² =
  14. 14.54² =
  15. 15.85² =
  16. 16.41² =
  17. 17.68² =
  18. 18.81² =
  19. 19.33² =
  20. 20.76² =
  21. 21.78² =
  22. 22.71² =
  23. 23.39² =
  24. 24.73² =
  25. 25.38² =
  26. 26.91² =
  27. 27.16² =
  28. 28.69² =
  29. 29.25² =
  30. 30.51² =
  31. 31.56² =
  32. 32.17² =
  33. 33.67² =
  34. 34.25² =
  35. 35.91² =
  36. 36.91² =
  37. 37.24² =
  38. 38.95² =
  39. 39.62² =
  40. 40.92² =

Answer key

  1. 3249
  2. 576
  3. 3721
  4. 3721
  5. 8281
  6. 256
  7. 8464
  8. 576
  9. 2601
  10. 729
  11. 676
  12. 7225
  13. 1444
  14. 2916
  15. 7225
  16. 1681
  17. 4624
  18. 6561
  19. 1089
  20. 5776
  21. 6084
  22. 5041
  23. 1521
  24. 5329
  25. 1444
  26. 8281
  27. 256
  28. 4761
  29. 625
  30. 2601
  31. 3136
  32. 289
  33. 4489
  34. 625
  35. 8281
  36. 8281
  37. 576
  38. 9025
  39. 3844
  40. 8464

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