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Math Puzzles and Visuals
Category: Math
Tags: math puzzles symmetry 3d objects lines of symmetry 3d shapes dot-to-dot puzzles free dot-to-dot

I came across some interesting math puzzles over at MathPickleMy daughter likes doing dot-to-dot puzzles, but on this site, you'll find these puzzles with a twist: you use a ruler and only connect the pairs of dots that are a specific distance apart. For example, the puzzle starts out looking like this: 

And if you connect all the dots properly, (in this case, those that are 5 cm apart), you'll get a design like this: 

This is one of the easy ones. There are 23 progressively harder puzzles, with solutions, that you can download from this pagealong with other puzzles. 

We've also been looking at symmetry: 

and the way 3D shapes look when they are flattened out (noting things like the number of surface faces, sides, and vertices):

You can find both of these free downloads at Nyla's Crafty Teaching.

Virtual Math Club
Category: Math
Tags: math puzzles math videos math online

For all you homeschoolers out there who like to solve math word problems, here’s an interesting site: the Virtual Math Club.  Each week, a set of problems is posted, with answers and video solutions following later in the week.  According to the site, the problems are most suitable for middle- and early high school students and are similar to those found on math contests.

Here’s a sample:

A standard checker board has 64 squares alternating black and red on an 8 by 8 grid. How many of the 1296 rectangles on a checkerboard contain more than one red square? 


 

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