Math Curiosity: Magic Triangles

🔒 This is just a preview! With a Byrdseed.TV PD account, you can use this video as professional development. You'll save some serious time. Never wonder what to present again! Give your teachers the specifics they need. There's nothing like it! Byrdseed.TV has 700+ lessons your teachers can use. Plus there are PD resources for you! You'll save some serious time. Never wonder what to present again! Give your teachers the specifics they need. There's nothing like it! You can use these lessons directly with your students. Your teachers will use these lessons directly with their students! You can use this lesson in PD and your teachers can use it with their students. Want to try Byrdseed.TV? Set up a free trial →
 

Related

Math Curiosities →

Summary

Can you make each side of this triangle add up to 9 using the digits 1-6?

  1. First, students find a solution that adds up to 9 for an order-3 magic triangle.
  2. Next, they find a solution that equals 17 for an order-4 magic triangle.
  3. They revisit the order-3 triangle and find the remaining three solutions.
  4. Finally, your students will return to the order-4 triangle to find as many solutions as possible. (There are [18 unique solutions](https://www.byrdseed.tv/wp-content/uploads/2023/03/magic-triangle-all-solutions-4.pdf)).

Start using these resources with your students today! Get access to the library of done-for-you PD resources! Give your teachers access to hundreds of high-quality, done-for-you lessons! Get access to lessons for your teachers, plus done-for-you PD resources! Get access to the videos plus printable resources, interactive apps, and more!

Set up a free trial!

Teachers love Byrdseed.TV!

"I absolutely LOVE all of the ideas on your site. I am using Byrdseed TV to differentiate activities for my clustered students to work on when the rest of the class is doing something they've already mastered." ~  Wendy in Washington

"I LOVE these videos. It's like having two teachers in my classroom." ~  Kristi in Ohio

"Byrdseed.TV has always been amazing but during the last year, you have been elevated to SUPERAMAZINGFANTASTIC status. You have saved my students from super boring lessons." ~  Heidi in California