Tag Archives: logic

Protecting against magic

Posted on September 16, 2017 by aofradkin

Yesterday, Zoe and I were playing a game of Bingo.  In this version, there are cards with the pictures and names of the items (all related to the ocean) and you flip them over one by one to figure out … Continue reading →

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Logical Fun, Part II

Posted on May 13, 2017 by aofradkin

Here is the long overdue follow-up post to Logical Fun, Part I. The previous post left off with the following logic problem being posed to the students: A man is looking at a portrait.  A passerby asks him whose picture … Continue reading →

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Logical Fun, Part I

Posted on April 25, 2017 by aofradkin

Once a week, I teach a joint math class at my school which combines children of ages 6-10.  For these lessons, I generally try to pick an activity that I can present as a series of “problems” of increasing difficulty … Continue reading →

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I come before you!

Posted on November 15, 2016 by aofradkin

Today I had two really fun lessons on the same topic, one with the kindergartners and the second one with the 2nd and 3rd graders combined.  The topic was “when does order matter?” and I began both classes with a … Continue reading →

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“Where’s the animal?” – A fun game for all ages.

Posted on September 29, 2015 by aofradkin

Yesterday, Katie dug up a game that she really liked to play a couple of years ago, but hasn’t played in a while.  I was quite surprised to discover that Zoe is now capable of playing and enjoying the game … Continue reading →

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First class of the year: 2-pile NIM

Posted on September 16, 2015 by aofradkin

Last Sunday we had our first lesson of the year at the Golden Key Russian School – an event that inspired me to start blogging again after the long summer break.  This year I am teaching two groups, one consisting mostly … Continue reading →

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Who’s the oldest?

Posted on June 18, 2015 by aofradkin

Katie’s birthday is on October 2.  Our school district’s policy for going to first grade is “6 years old by October 1”, and they are very strict about it.  Katie knows this fact, and fortunately, she is very happy about … Continue reading →

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Katie the logician

Posted on April 30, 2015 by aofradkin

Yesterday, Katie came up with her own, consistent logic puzzle!  This is how it happened (with the puzzle, of course). I was flipping through Alice in Puzzle-Land by Raymond Smullyan, which had just arrived in the mail.  Naturally, she asked … Continue reading →

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Facing the impossible

Posted on March 18, 2015 by aofradkin

Two weeks ago in class we followed up our previous lesson on parity with some logic puzzles.  The middle groups (ages 6-7) were faced with the following task.  They were each given 5 cups, facing down.  Their challenge was to … Continue reading →

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Giotto, the logic game

Posted on January 21, 2015 by aofradkin

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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