Wednesday, February 9, 2011

Puzzly Excerpts

Here are some fun puzzle excerpts from Informal Geometry Explorations by Kenney, et. al. (I will write up a more formal review of it later, but I just couldn't wait to share these! They're so much fun!!):

The directions for Puzzle #1 are to fill in the missing letter in the correct direction/position, so that when you put the cube together using this net you'd see the word MATH. I love these (the book has a lot more) because they are super good for spatial visualization training!


These next few puzzles are fun and can get a bit tricky for kids; you need to find a way to draw a path in order to divide this shape into two congruent halves. Great practice for visualization and definition of congruence!

Puzzle #2


Puzzle #3:


Puzzle #4:


(For some reason, this last one took me a few minutes. I had to actually sit down with a pencil and try different things in order to "see" it. Was it hard for you too??)

2 comments:

  1. Allen and I cannot figure out what Puzzle #2-4 are all about. You draw one line to cut the shape in two congruent halves? Impossible!

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  2. One path to cut the shape into two congruent halves without picking up your pencil. Your path can include turns.

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