It's time to pull out those protractors, fire up your calculators, and unsheathe that ruler! Show us how you use math to create your projects, from CNC to coding, measuring to marking, any angle that uses math in its creation could be an eligible project.

Are you a teacher? Enter a project that you use in your classroom for your chance to qualify for our special Teachers Judges' Prize!

Use Tinkercad when creating your project for a chance to qualify for our Tinkercad Judges' Prize!

The Made with Math Contest is closed.

Grand Prize

26 Prizes

Grand Prize

One Grand Prize Winner will receive:

Teachers Judges' Prize

One Teachers Judges' Prize Winners will receive:

First Prize

Three First Prize Winners will receive:

Second Prize

Five Second Prize Winners will receive:

Tinkercad Judges' Prize

One Tinkercad Judges' Prize Winners will receive:
  • $150 Digital Gift Card

Runner Up

Fifteen Runner Up Prize Winners will receive:
How It Works

Write an Instructable

Create a new Instructable that fits the guidelines outlined in the contest description above. To be eligible, Instructables must be published between Oct 11, 2021 and Dec 6, 2021 (11:59pm PT).


Upon publishing your Instructable you'll see checkboxes for open contests. Select Made with Math Contest. If you have entries currently eligible for entry, it will also show up by clicking "Enter this Contest" on the right side of this page.


Entries are accepted by Instructables staff within one business day Monday - Friday. What matters is the submission time, not acceptance time.


A panel of judges made up of Instructables staff and respected members of the community rate the finalists. The averages of the ratings determine the winners.


When the winners are decided they will be notified and announced here on the contest page.