Toothpicks
by Dan Meyer
skips
questions
Act One
 1.
What's a guess you know is too high?
 2.
What's a guess you know is too low?
Act Two
 3.
What information would be useful to know here?
 ImageToothpick count
Act Three
Sequel
 4.
We used a pack of 250 toothpicks and made 12 levels. If we used another 250 toothpicks, how many levels would that make?
 5.
Write a function t(l) that takes the number of levels (l) and returns the total number of toothpicks (t) in that pyramid.
show 74 more questions






How many toothpicks does it take to make the next sized equilateral triangle?

how many triangles in total big and small were built. Need to know how many were in the container

What's the biggest triangle pattern he can make with that many toothpicks?

















How many triangles did you make? How much area does the whole pattern cover?

Each row adds a number of triangles. What is the pattern of how many triangles are added in each row.



Without counting them, could you be sure there are 250 based on your design?










How many rows will he be able to complete with the toothpicks he has?





what is the relation between the number of triangles and the number of toothpicks?






How many toothpicks are in the container? Why is the toothpick container on the floor?
























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