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 A mathinspired love story in verse October 21, 2017
 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
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Tag Archives: multiplication
Games with the multiplication table
The following was translated from this post by Jane Kats. Translation and translator’s notes are by Yulia Shpilman. (Translator’s note: I taught a lesson inspired by this post to my math circle for 1st and 2nd graders on Sunday and … Continue reading
Double perfect squares
We have recently done a unit on perfect squares in school. The following conversation with Katie (8yo) happened completely spontaneously on a peaceful, evening ride home. K: 10,000 is a double perfect square. Me: What do you mean? K: Well, … Continue reading
Posted in Uncategorized
Tagged #mathed, #tmwyk, 8 years old, math conversation, multiplication, perfect squares
1 Comment
Dots in a Square from Math Without Words
Recently, my third grade class and I have fallen in love with Math Without Words by James Tanton. This is a delightful collection of math puzzles, ranging in difficulty from fairly easy to quite hard, but all mathematically beautiful. Occasionally, … Continue reading
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
Posted in Uncategorized
Tagged 2nd grade, 3rd grade, 4th grade, area, discussion, exploration, geometry, Main Line Classical Academy, multiplication
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Napier’s Bones
Recently, my husband was reading on Wikipedia about John Napier. He became very intrigued with Napier’s bones, and decided to see whether we can acquire some. I was very excited by the prospect as I have been lamenting about not … Continue reading
Posted in Uncategorized
Tagged arithmetic, famous mathematicians, handson activity, manipulatives, math history, multiplication
1 Comment
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
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Tagged class, combinatorics, geometry, Golden Key Russian School, multiplication
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Chips for All Seasons
Yesterday’s lesson with Katie and Varya consisted of exploring various ways of using colorful game chips for doing fun math. The first activity involved dividing the chips between the doll Nina and the bear Stanford according to specified rules (I … Continue reading
Posted in Uncategorized
Tagged arithmetic, fun math, games, learning games for kids, lesson, multiplication, word problems
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