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 A figure with pointy things and a line, a line, and a line October 13, 2017
 Protecting against magic September 16, 2017
 Skip counting or word skipping? June 25, 2017
 Numicon – combining geometry and arithmetic June 22, 2017
 Discussing the meaning of “almost” with an 8 year old June 2, 2017
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Tag Archives: geometry
A figure with pointy things and a line, a line, and a line
Look at the title. Did you guess that this was a description of an acute triangle? This description was from a student in my third grade class. Let me assure you, this student knows how to recognize an acute triangle … Continue reading
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Tagged 7 years old, 8 years old, communicating mathematics, games, geometry, third grade, verbal descriptions, word games
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As many opinions as there are shapes: fun with “Which one doesn’t belong – A shapes book”
Last week, the main theme of both my Kindergarten and my second grade math classes was geometry. We did a number of activities that explored various shapes and their properties, but the biggest hit in both classes was Which one … Continue reading
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Tagged 2nd grade, 5 years old, 6 years old, 7 years old, definitions, fun discussion, geometry, Kindergarten, Main Line Classical Academy, wodb
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Exploring Rectangles
Friday is a special day in our math classes at the Main Line Classical Academy. We read and discuss mathematical stories and we do exploration projects. Here is the project that we did with the 2nd4th grades last Friday. It … Continue reading
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Tagged 2nd grade, 3rd grade, 4th grade, area, discussion, exploration, geometry, Main Line Classical Academy, multiplication
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What makes a triangle?
Last weekend we went to a wonderful family camp with an Ancient Greece theme. I was tasked with coming up with a fun, handson geometry lesson for 57 year olds. These were my criteria for the activity: 1) Easy prep … Continue reading
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Tagged 6 years old, 7 years old, camp, class, Euclid, fun math, geometry, handson activity
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Diagonal is not straight
Zoe and I often play games where one of us makes a figure with some objects (stones, chips, snapcubes, etc.) and the other one has to make an identical figure. Today, for this purpose, we were using an old Russian … Continue reading
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Tagged #tmwyk, 3 years old, amusing story, definitions, fun math, games, geometry
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Making Cubes
Today I used Magformers to show Zoe how to make a cube. Then I said, “Now you do it.” She made me three! Here are the stepbystep pictures for one of them (if you go through them very quickly, it’ll … Continue reading
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Tagged #tmwyk, 2 years old, 3Dgeometry, building, geometry, magformers, math with little kids
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Equal Shmequal
A few days ago, Katie came home from a party with 3 Oreo cookies. In the evening, she asked to have one of them with her milk. Permission was granted. As she was finishing up her munching, Katie asked … Continue reading
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Tagged #tmwyk, 6 years old, amusing discussion, geometry, measurement
3 Comments