Build a Better Bike 1 - Classify Triangles

Contributor: Victoria Surface. Lesson ID: 10804

Would you rather ride your bike than work on geometry? How about doing both? With some online fun and acute study, learn the right way to design a bike frame! Have fun and don't be obtuse about it!



learning style
personality style
Grade Level
Intermediate (3-5)
Lesson Type
Quick Query

Lesson Plan - Get It!


My angles total 180° and you can unfold me to make a straight line. What am I?

If you answered triangle to the riddle above, you are absolutely correct!

Triangles are everywhere and they have the same features, but they are not all the same.

In this lesson, you will learn how to classify triangles by looking at their sides and angles. You will play a fun interactive game, use online resources, and even design a new bicycle while learning these new skills and concepts!

This lesson is the first in a series of geometry lessons. found under Related Lessons in the right-hand sidebar,  that allows you to design or build a bike. Each lesson in the series presents a new geometry concept and adds to the design of the bicycle in the Go! section. Complete each lesson in the series in order so you don’t miss building part of the bike.

Each lesson will present the concept in the Get It! section with a video, slideshow, or interactive. The Got It? section will contain a review and an opportunity to practice the concept. The Go! section will challenge you to add parts to your bicycle based on your new knowledge and skills.

  1. Use the Scholastic StudyJams! Classify Triangles step-by-step interactive to learn about six types of triangles. Click on the green STEP BY STEP circle to begin. After you complete the Home section, be sure to click on the Watch Out! section, and the Try It! section.
  2. Take the brief quiz at the end of the interactive to test your knowledge.

Elephango's Philosophy

We help prepare learners for a future that cannot yet be defined. They must be ready for change, willing to learn and able to think critically. Elephango is designed to create lifelong learners who are ready for that rapidly changing future.