Mark Smith (@marksmith21) header
Mark Smith (@marksmith21) profile picture

Teacher of mathematics and former head girls' basketball coach at Maine South HS. Final Four in '06 and '11. Elite Eight in '08

Joined March 2009
2 lines cut by a transversal.
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Thought I was being pranked by one of my classes when no one had their camera on. Then this! Made my day. I should be thanking them. Lucky to be their teacher.
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Winning circle from our annual circle drawing contest during pi day festivities in Accelerated Geometry.
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"What's the first time (past noon) the hour hand and the minute hand are directly on top of each other?" This crew found the not-so-obvious answer and then posed for a picture when it happened during their block.
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Pi day competition in AGT.
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1/4096 chance of this happening...just ask my Discrete classes how rare this is. #IwillbewatchingcoinfliponSunday
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Didn't realize that my 7 year-old was sitting in on my AGT classes this week. Yes, the intersection of a rectangle and a rhombus is a square #JohnVenn
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Thanks @PeterNilsen19 for the tremendous idea. The gallery walk in AGT worked great!
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