Best Circle
by Dan Meyer
66
skips
skips
34
questions
questions
Act One
 1.
Rank each person. Explain your ranking.
Act Two
 2.
What information is important?
 3.
What information doesn't matter?
 ImageThe area
 ImageThe perimeter
 ImageThe coordinates
 FileThe coordinates â€” text file
 4.
What's a formula that will use that information and return a number to tell us who did the best and worst job drawing a circle?
 5.
Test your formula. Does it work for very large and very small cases?
Act Three
 ImageAnswer
 Teacher materialTeacher guide
Sequel
show 34 more questions








If we found an average diameter and measured the circumference, could we still find an accurate pi?




Who's is "closest to perfect"? How did you decide? How could you judge it using your maths knowledge?




















Lo importante es Â¿hacerlo o cÃ³mo hacerlo?Â¿de derecha a izquierda o al revÃ©s?Â¿rÃ¡pido o lento?Â¿grande o pequeÃ±o?


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