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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: lesson
Inspired by Mastermind
A few months ago we introduced Katie to the game Mastermind, a fun classic that both my husband and I played when we were close to her age. In this twoperson game, one player makes up a “code” consisting of … Continue reading
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Tagged cool games for kids, games, learning games for kids, lesson, logic, word games
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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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How to Draw It
This week’s lesson with Katie and Varya started off with some drawing exercises. I would show them a figure and they had to draw it without lifting the pencil from the paper and without going over any line twice. The … Continue reading
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Tagged 5 years old, drawing, fun math, graph theory, lesson, parity
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Singlesided and Doublesided worlds
What happens when you take a strip of paper and glue its ends together? You get an object that is similar in size and shape to a bracelet. Now lets suppose that this object is a world with tiny people … Continue reading
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
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Tagged arithmetic, fun math, games, learning games for kids, lesson, multiplication, word problems
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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
Adding Up
After a twomonth break, we resumed Katie’s joint lessons with Varya. I decided to start with something simple: addition. I asked the girls to compute the sum 1+2+3+4+5+6+7+8+9. This turned out to be a harder task than I envisioned. Varya … Continue reading