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 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
 From mathhater to mathematician and computer scientist: The story of Allison Bishop June 1, 2017
 A number talk that turned into an investigation May 26, 2017
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Tag Archives: combinatorics
A mathinspired poem
It’s hard for me to believe, but this is post #100 on this blog! For that reason, I decided to post something different and wacky – a poem! Can you spot the math in it? This tale is of a … Continue reading
Fun With Multiplication?
For the past few weeks in class, we have been exploring multiplication. A few months ago, we had learned about and practiced skip counting, so this time around we started by discussing why this might not always be practical or … Continue reading
Posted in Uncategorized
Tagged class, combinatorics, geometry, Golden Key Russian School, multiplication
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Does order matter?
When you get dressed in the morning, does it matter in which order you put on your pants and your shirt? What about your socks and your shoes? Which articles of clothing cannot be put on first? What about last? … Continue reading
Counting Rectangles
This week we continued playing with rectangles, but this time we were counting them. This can be more tricky than it sounds. I started the lesson by drawing a single rectangle on the board. The kids all agreed that there … Continue reading
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Tagged class, combinatorics, fun math, geometry, Golden Key Russian School, puzzles
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Building Towers
The first half of today’s lesson consisted of building towers out of colorful blocks. It began with me building a tower and asking the girls some questions about the order in which the blocks could be placed. Could I have … Continue reading
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Tagged 5 years old, algorithms, building, combinatorics, fun math, lesson
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Take One or Take Two?
A few days ago I played the following version of a classic two person takeaway game with Katie: There are n chips (we started with 5 :). On your turn you can take one or two of them. Whoever takes … Continue reading
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Tagged combinatorial games, combinatorics, games, learning games for kids, logic
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Routes, Colorful Shapes, and Tournaments
This week’s lesson with the girls began with some basic combinatorics. I told them that I needed their help in solving a ‘real life’ problem. This seemed to catch their attention a bit quicker than usual. Problem: On some days … Continue reading