The Talking Stick Blog

News, Updates, Program Recaps, and Homeschooling Information

More Logic, More Factoring, and Sticking with Tough Problems

THE CRIMINALS OF THE WEEK (May 13, 2014) “It’s time talk about the criminals,” I announced to an exuberant group of kids who were not quite ready to settle into math circle.  The word criminals got their attention.  We tackled Smullyan’s Inspector Craig mystery puzzle #74.  I expected a huge struggle for 2 reasons: more clues to keep track of,…

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I LEARN SOMETHING: Mathematical Thinking with Five-Year-Olds, 4.0

  (April 8, 2014)  We started out playing a few logic games – “Picking Fruit” and “Wearing Hats.”  The students had fun using process of elimination to deduce what couldn’t be seen.  The students announced one conjecture, then would immediately change their minds, then revert, etc.  (Once again, insight is fleeting.)  One student didn’t want to commit to any conjecture. …

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PROVING STUFF: Mathematical Thinking with Five-Year-Olds, 3.0

CLOCK JUMPING – SELF-DOUBT, LOOKING FOR PATTERNS (April 1, 2014) Things started out smoothly enough.  The clock was taped to the floor, and the kids were ready to jump on it.  Will you land on every number if you count by four?  They did this without me, and added a new approach:  everyone started on a different number, and half…

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OPPOSITES: Mathematical Thinking for Five-Year-Olds, 2.0

COUNTING STRATEGIES   (March 25, 2014)  We started out on the floor counting pennies.  “I want to buy a piece of candy – a Swedish fish.  It costs 10 cents. Do I have enough?”  The pennies were arranged in a particular way.1 The students counted, with various results.  “Is there more than one way to count them?” “No!” announced everyone…

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