Best Midpoint
by Dan Meyer
skips
questions
Act One
- 1.
Rank each person. Explain your ranking.
Act Two
- 2.
What information is important?
- 3.
What information doesn't matter?
- ImageThe angles
- ImageThe coordinates
- ImageThe lengths
- 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 the midpoint?
- 5.
Test your formula. Does it work for very large and very small cases?
Act Three
- ImageAnswer
- Teacher materialTeacher guide
Sequel
show 43 more questions
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Who drew the best midpoint? [what's up with that guy in the top left? How rude of him to be listening to music.]
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What is the probability that a person will draw a linear relationship with positive slope?
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How do you know that the "midpoint" is equidistant from the two other points.
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What is the average angle from horizontal for a line that best fits these points?
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¿se puede trabajar la geometrÃa sin herramentas auxiliares: base tramada, elementos de referencia ....?
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