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 Dots in a Square from Math Without Words February 10, 2017
 Conservation of fingers and toes February 8, 2017
 Lots of fun with Tiny Polka Dot January 28, 2017
 Avoid Hard Work! – A book for problemsolvers of all levels (toddler to mathematician) January 11, 2017
 Functions in Kindergarten – A favorite January 6, 2017
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Tag Archives: multiplication
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
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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
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Tagged arithmetic, famous mathematicians, handson activity, manipulatives, math history, multiplication
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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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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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Rectangular Numbers?
A few days ago Katie and I played the following game: one of us would say a number and the other one would have to make a rectangle out of that many squares (actually we used the board and chips … Continue reading
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Tagged arithmetic, division, fun discussion, fun math, multiplication, prime numbers
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Another lesson, another story: Counting outfits and classifying quadrilaterals
This Wednesday’s lesson was a bit chaotic and unfortunately I do not have any pictures from it. The girls were both hyper and cranky, and it was hard to keep their attention for more than five consecutive minutes; after that … Continue reading