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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 417 · 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. 1.86² =
  2. 2.14² =
  3. 3.55² =
  4. 4.87² =
  5. 5.51² =
  6. 6.58² =
  7. 7.63² =
  8. 8.91² =
  9. 9.98² =
  10. 10.15² =
  11. 11.79² =
  12. 12.74² =
  13. 13.31² =
  14. 14.34² =
  15. 15.67² =
  16. 16.61² =
  17. 17.24² =
  18. 18.86² =
  19. 19.62² =
  20. 20.25² =
  21. 21.61² =
  22. 22.22² =
  23. 23.64² =
  24. 24.32² =
  25. 25.19² =
  26. 26.51² =
  27. 27.63² =
  28. 28.81² =
  29. 29.94² =
  30. 30.89² =
  31. 31.39² =
  32. 32.41² =
  33. 33.32² =
  34. 34.29² =
  35. 35.67² =
  36. 36.61² =
  37. 37.45² =
  38. 38.66² =
  39. 39.17² =
  40. 40.14² =

Answer key

  1. 7396
  2. 196
  3. 3025
  4. 7569
  5. 2601
  6. 3364
  7. 3969
  8. 8281
  9. 9604
  10. 225
  11. 6241
  12. 5476
  13. 961
  14. 1156
  15. 4489
  16. 3721
  17. 576
  18. 7396
  19. 3844
  20. 625
  21. 3721
  22. 484
  23. 4096
  24. 1024
  25. 361
  26. 2601
  27. 3969
  28. 6561
  29. 8836
  30. 7921
  31. 1521
  32. 1681
  33. 1024
  34. 841
  35. 4489
  36. 3721
  37. 2025
  38. 4356
  39. 289
  40. 196

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