One Cut Geometry – Day 11

One cut geometry is a fun challenge based on a theorem that every pattern (plane graph) of straight-line cuts can be made by folding and one complete straight cut. So it should be possible to make every single polygon from one cut on a folded piece of paper. You need scissors and a LOT of paper for this challenge. The recommendation is that the paper is square but I think you could use a regular piece of paper. Draw a scalene triangle in the middle of the paper. Can you cut the triangle with one cut? What shapes did you … Continue reading One Cut Geometry – Day 11

1-4-5 Square Puzzle Challenge – Day 8

This puzzle, or challenge, is all about making squares. Sarah from Math = Love have adapted the original puzzle from a Netherlands brain teaser website where you use all five pieces to create a square. I love how she has scaffold this activity to allow students to build their stamina to figure out the original challenge. Know that if you do puzzles like this to remind students that finding the answer to the challenges could take days. We are still working on Challenge #3. Here’s her adaptation: Challenge #1 Can you make a square using only one piece? (I think … Continue reading 1-4-5 Square Puzzle Challenge – Day 8

Solve Me Puzzles – Day 5

Puzzles are a great way to develop mathematical habits of mind and logical reasoning. SolveMe puzzles focuses on supporting algebraic and mathematical thinking in a fun way. With each of these puzzles, Mobiles, Who Am I?, and Mystery Grid, students are able to explore different ways to solve them using logic and reasoning. These puzzles allow students to track their progress in solving them. Mobiles Mobiles involve find the values of different shapes in a balance. Students learn how to use substitution, elimination, and other strategies to solve these problems in an informal way. By doing these problems, students are … Continue reading Solve Me Puzzles – Day 5

Panda Puzzles – Day 2

Puzzles are a great way to explore different ideas and ways of thinking. For most puzzles, it takes quite a few attempts to find a solution. And for some puzzles, there is more than one solution. I love puzzles because everyone can try out their own idea to see if it works. How are puzzles related to math? Well, for many good problems that involve math, you need to make quite a few attempts to find a solution. And for many problems, there is more than one solution. All of these ways to thinking relate to the Standards of Mathematical … Continue reading Panda Puzzles – Day 2