Tag Archives: fun math

Giotto, the logic game

The theme of last week’s class was logic.  As one of the main activities, we played the game of Giotto.  It is similar in spirit to Mastermind, but has a nice language component to it (we also played it last … Continue reading

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Nets and Decorations

For the past two weeks, we have been continuing to explore 3D objects, and more specifically their nets.  During the first lesson, we played with the nets of a cube.  The kids were given pictures of hexominoes (arrangements of 6 … Continue reading

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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

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Stick Figures

Recognizing mistakes and figuring out ways of correcting them are crucial skills not just in math but in all subjects.  When kids notice the teacher make a mistake, they usually find it very funny.  Our lesson last week was all … Continue reading

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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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Cutting Corners (take 2)

After we determined what a rectangle was, we started exploring what would happen if we try to slightly alter it.  A rectangle has four angles, what happens when you cut off an angle?  How many angles does the resulting figure … Continue reading

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A delicate balance

You are captured by a bandit, but not by an ordinary bandit – an enlightened one.  He will let you go if you solve his brainteaser (otherwise he will keep you and make you solve boring problems every day).  In … Continue reading

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Balancing Scales

This week in class we balanced scales. Most kids seemed to already know the concept behind how balancing scales worked, and they had all seen one of these before: The main concept we were trying to get across was the … Continue reading

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The function of 2048

Yesterday Katie caught me playing the recent popular game 2048.  When I confessed to playing a game, she looked at it and asked me whether she could have a turn.  I didn’t see why not – the rules are certainly … Continue reading

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Fair Sharing?

Katie: Mom, can I have a whole doughnut with my milk? Me: I think there is only one left in the bag.  How about a piece for daddy and me? Katie: I can give you a quarter (aka, one fourth … Continue reading

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