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It’s Monday, and it was definitely feeling like a Monday this morning. Discouraged by my overwhelming to do list and never enough time to accomplish enough where I feel like I made a dent, I did the natural thing. I turned to twitter. Twitter is full of amazing ideas that only add to this to do list, but more importantly it is a place of encouragement that reminds me why I’ve dedicated myself to this crazy job of teaching math to high schoolers. The inspiration must have worked because I did end up knocking quite a few things off my to do list by the end of the day.

I thought I should share this inspiration with you in case you too are having a case of the Mondays. Here’s my weekly-ish twitter round-up of math teacher awesomeness. I hope you find some inspiration in these posts.

## Triangle Artwork Project

Julie Skokan inspires with some student artwork inspired by their unit on triangles. What a way to highlight student creativity!

## Race Around the World Protractor Game

Cassidy Yasinski makes learning to use a protractor fun with this race around the world game.

## Important Math Symbol Poster

Karen Swift shows an awesome poster made by one of her students to help the class remember important symbols. Beautiful!

## Math Hallway Bulletin Board

Alice Aspinall shares an inspiring bulletin board.

## Exploring Percentages with Coupons

Mrs N Math uses a craft store coupon for a great exploration into percentages.

## Dessert and Central Angles

Mrs Aly Martinez shares a great real-life image to discuss central angles (or non-central angles!)

## Using Circles to Graph Mickey

Samantha Hong cleverly uses graphing Mickey Mouse to introduce equations of circles.

## Desmos Self-Reflection

Brewer shares a template for asking students to self-reflect using Desmos.

## 100 Math Expressions for the 100th Day of School

What better way to celebrate the 100th day of school than creating 100 math expressions that are equivalent to 100?!? Shout-out to Maddie Garcia for the awesome idea!

## Dilation Projects

Stacy Landgrebe shares some awesome student dilation projects.

## Surface Area and Volume Project with Oreos

Here’s another awesome geometry project, this time featuring surface area and volume (and oreos!) from Miss English.

## 100th Day of School Math Sign

I love this 100th Day of School sign from Ms Wadsworth!

## School Spirit and Calculus

Elizabeth Mendenhall combines school spirit with calculus on Fridays.

## Approximating the Area of Countries with Desmos and Calculus

Chris Evans uses Desmos to explore estimating the area and perimeter of countries. How cool!

## Famous Female Mathematician Portraits in Desmos

Ready to be even more blown away?

## Student Growth Display

Mimi Williams shares an awesome display for highlighting student growth.

## “Heart Attacks” to Improve School Culture

Alicia Bena puts a positive spin on giving your coworker a “heart attack.” This is an awesome idea for Valentine’s Day!

## Pass the Board Activity for Solving Equations

Lisa Broadbent shares a practice structure idea called “Pass the Board.”

## Rorschach Reflections

Mrs Voisinet uses art to teach properties of reflections.

## Graphing Inverses of Sports Logos

Mr Zrenner combines sports logos with graphing inverses.

## Triangle Stained Glass

Mallory Jennings combines triangle practice with stained glass creation. What a beautiful result!

## Geometry Valentines Bulletin Board

This bulletin board of Geometry Valentines from Mrs. Bradley is gorgeous!

## Triangular Christmas Tree Art

I know Christmas seems a long way off, but I love these triangular Christmas trees from Mark Ekstrom too much not to share in February.

## Conics with Ice Cream Cones

M Hanks Teach LHS introduces conics with ice cream cones. Yummy!

## Finding Math Lesson Inspiration

Rachael Gorsuch shows that math lesson inspiration can be found anywhere!

## Volume of 3D Shapes Project

Laura Boyer shares a fun but messy looking project involving volume.

## Mathematical Valentine Contest

Garis Math shares a winning mathematical valentine.

## Snow Angles

Too many snow days? Ms. Edwards shows that learning doesn’t have to stop.

## Review Day Flow Chart

Sarah Shartzer shares a lovely flow-chart for directing student actions on a work day/review day.

## Origami Hearts and Fractions

Mark Kaercher combines origami hearts with fractions.

## Probability Wrap-Up Activity

K Roth shares a great, self-checking wrap-up activity for probability.

## Quadratic Link Up Activity

John Rowe shares a awesome parabola-based puzzle.

## Desmos Valentine’s Project

Dawn shares a lovely Valentine’s project involving Desmos and mathematical poem writing.

## Comparing Rubber Bands Stats Lesson

Kay Kubena shares a great stats lesson involving rubber bands.

## 100th Day of School Data Collection Activity

Ms Peterson shares a data collection activity for the 100th day of school.

## Pass the Dice Activity

Tiffany McGuire shares a way to turn a popular party game into an engaging math lesson.

## Trig in the Hallway

Abbey Turchyn takes trig out into the hallway.

## Logarithm Laws Match-Up Activity

Cassandra Valenti shares a cool looking way to practice applying the laws of logarithms.

## Algebra with Hula Hoops

Ms J Brown shares a fun-looking algebra activity involving hula hoops.

## Organizing Plickers

Check out this awesome teacher hack from Suzette Rodriguez for organizing Plickers!

## Hands-On Slope Activity

Nickeva shares a great, hands-on exploration of slope.

## Slope and Similar Triangles Exploration

I also this hands-on exploration of slope and similar triangles.

## Dabbing and Geometry

Anne Erehart illustrates a connection between dabbing and geometry.

## Smarties Angle Activity

EDMScott shares a clever idea for using smarties to mark different types of angles.

## Examples and Non-Examples Anchor Charts

Holly Parker shares a structure for introducing vocabulary using examples and non-examples.

## Snapchat Streak Challenge

Nicholas Springer shares an idea for incorporating Snap Chat into the classroom.

## Whiteboard Angle Challenge

Also, check out this angle challenge from Nicholas Springer.

## Sidewalk Math

Brian shares some inspiring sidewalk math. Maybe you could try something like this at your school or in your community!