Sunday, March 5, 2017

February 26, 2017 - Math Circle 2.0

Warm up

1 + 0 = _
4 +1 = _
2 + 3 =  1 + _
1 + 6 =  3 + _
6 + _ = 2 + 8
6 - 5 = 1 + _
7 - 2 = 2 + _

Coordinates

Coordinate review























Homework review - make a 6 pointed star using the coordinate system.  How can we make the star bigger?  

Homework - How do we make a 8 pointed star?


Logic question


There are three brothers named John, James, and William.  John and James always lie, but William always tells the truth.  The three are triplets and you cannot tell them apart.  You meet one of the three on the street and you want to find out if he is John.  You can only ask him one yes or no question.  The question you ask him can only have three words.  What do you ask him?

We made a truth table:




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