Gnarly Math is a nice break from ho-hum textbooks. Via email or via the Gnarly Math website, your middle school and high school students may view a monthly newsletter full of absolutely-not-boring math problems and puzzles.
I don't think I've ever highlighted a newsletter before, but this one is well worth a look! Here is a view of the latest Gnarly Math newsletter:
Click on the screenshot above to read the latest Gnarly Math newsletter at their website. At the bottom of the newsletter, you'll see a subscription form, if you'd like to receive the next Gnarly Math newsletter via email.
Subscribe to FreelyEducate here
Keep up with FreelyEducate tweets (Twitter) here: @freelyeducate