High school geometry students are expected to know far more than they used to. Curriculum standards that used to be taught at the high school level have been moved to advanced 6th and 7th grade.

Your students are “expected” to know many geometry terms when they enter your class, which is why I recommend starting the year with the Visual Dictionary project.

Creating the Visual Dictionary

The goal of this activity is to understand what the students retained and what would I have to re-address.

Your students can use tablets or computers for this project, but technology isn’t required.

The Project

The students are placed in groups of two, so they can learn to start working in groups at the beginning of the year.

A real-world example of an "acute" angle.

They have a list of about 25 words. For each word, they have to find a mathematics definition and a real world picture of the word. One teacher I know had one student sign out a camera and take the pictures, which turned into a cool final result.

Give the students about a day and a half in class and five days overall. That amount of time gives the students the opportunity to produce quality work and to really be creative.

Once the projects are complete, they upload the pictures to a tool like Glogster, Prezi, or Google presentation. Then you can refer to the projects the rest of the year when you are working on specific standards and vocabulary.

The following week, you can share all of the pictures with the class so all of the students can see what other groups found.

Vocabulary is so important for students to know, use, and understand, the two in-class days for this project are definitely worth it.

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I love pi day.

This past Christmas I received a π cake mold from my oldest daughter. She knew I would love it and she was right! (I added a link to it below. It works great!)

I celebrate the pi day at school and home every March 14, so imagine the fun I have put this day together.

The following video begs the question, how many dominoes is that? Spoiler alert: the second (needed information) and third act (the answer) are at the end. This would be a great way to begin class.

Pi Day In Math Class

Is there any better day in the life of a math geek? Ok, that might be a little bit of an exaggeration, but it is a very fun day to be a math teacher.

In my class, we always eat pie on pi day. The kids bring it in, and I supply the cups, juice and paper goods. We always have a great time discovering the ratio of pi and enjoying the wonder of the randomness. The students always seem to gather interest in the wonder of numbers. Isn't that what it is all about?

The class is set up as stations with different activities depending on the mathematical level of my students. When they walk in, I am playing Pi Songs. They circulate through stations ranging from creating the music pie to measuring and finding the common ratio of pi, to pinning the tongue on Einstein. Don't forget that he shares his birthday with pi! And of course, the end of class has a memorization of the pi contest.

I always want to try something new with pi day and therefore have made necklaces by assigning each digit a different color bead, found our birthdays within pi and we have sung pi day songs. The next day, when the sugar buzz has worn off we discuss what we discovered and observed, the kids always amaze me at how much they take away from a day that would look like nothing more than high school kids at recess. I hope they have great memories of Pi day and a deeper understanding of pi.

There are some great resources online. Some of my favorites are below

Youtube.com there are some great projects done by students, perhaps have your students do the same.

Do you have a favorite π day activity that you do with your students? Please add it to the comments below! Thanks!

Interesting find while searching online
To type the π symbol, you can use your number pad on your keyboard. Hold down the alt key and type 227 on your number pad. Let go, and you have a pi symbol. Amazing. For more helpful tips on inserting math and science symbols into your documents, you can see my list here.

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With a discovery activity, a Pi Day poem, a printable memorization sheet, and others, you will be ready for π Day!