Today I want to share a new puzzle I’ve been playing with for the last few days: Naoki Inaba‘s Number Ball Puzzles. The other day, I set out to try to bring some semblance of order to my puzzles folder on my laptop. This is the place on my computer where I keep PDFs of …
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Who is Naoki Inaba? Naoki Inaba is a prolific Japanese puzzle author of over 400 original logic puzzles. Inaba has a lovely website full of free PDF puzzles. The only issue is that the website is entirely in Japanese. His puzzles have been featured in both the New York Times and The Guardian. Since his …
The last time I taught Algebra 1, I used Step Puzzles by Naoki Inaba to introduce the idea of arithmetic sequences. I tweeted about it, but in the craziness of packing up my classroom and house to move last summer they never made it up on my blog. I was first introduced to the amazing …
Recently, I was scrolling through pictures I had taken on my phone, and I realized that I never got around to blogging about the Kazu Sagashi Puzzles I used with my students back in April. I was introduced to this logic puzzle in 2016 when I discovered the amazing puzzles of Naoki Inaba. Inaba is …
These Angle Maze Puzzles from Naoki Inaba challenge students to find a path through a maze by being able to recognize common angle measurements. Draw a path through the maze from S to G. Each time you pass through a numbered circle, the path must form that angle in degrees. This summer, I blogged about …
Area Maze Puzzles from prolific Japanese puzzle creator Naoki Inaba have become quite popular in the United States. This hasn’t always been the case. I first learned about these puzzles from a tweet from Lisa Bejarano. At the time of her tweet, you could only really get your hands on a large number of area …
I taught Algebra 1 to high school students for six years. Over the course of those six years, I blogged about many of the Algebra 1 activities I created for them to do. I hope you enjoy this round-up of 108 fun and engaging Algebra 1 activities. Let me know if you find an activity …
Looking for fun and engaging geometry puzzles? Here is a collection of 25 free printable geometric puzzles that I have used in the past with my high school math students. Most of these puzzles should be appropriate to use with individuals ranging in age from upper elementary school or middle school to adults. My students’ …
Looking for engaging factoring activities for your Algebra 1 or Algebra 2 students? Check out these creative and hands-on factoring games and puzzles that will help make factoring fun!
Finish the year strong with this collection of end of year activities for math class. These fun end of year math activities will keep students’ brains active until the very last day. The activities included here can be used with students at almost any grade level including upper elementary school, middle school, and high school. …
For even more math teaching resources, check out my Math Teaching Resource Index. Algebra & Functions | Geometry & Measurement | Number & Operations | Statistics & Probability | Trigonometry | Calculus 3-D Figures Angles Area and Perimeter Circles Constructions Coordinate Geometry Distance Formula Midpoint Formula Geometry Symbols Logic Measurement Parallel Lines Cut by a …
Welcome to the Algebra & Functions teaching resource index! Teaching algebra and functions can be a challenging task, which is why we’ve compiled these resources to make your job easier. This section of the Math Teaching Resource Index offers an extensive range of resources, including lesson plans, engaging activities, challenging worksheets, and assessments. Whether you’re …
Sankaku puzzles are a geometric based logic puzzle that focuses on finding the area of a triangle. The goal of each puzzle is to connect three dots to form a triangle with the specified area. Sankaku puzzles are the creation of Naoki Inaba, a prolific Japanese puzzle creator. I first discovered these puzzles several years …
I am really liking these quadratic area puzzles from Chritsopher (Bow Tie Teacher on twitter) that are posted for free on TES. They are inspired by Naoki Inaba‘s Area Maze puzzles with a quadratic spin on things. For next year, I think I would like to do some sort of activity at the beginning of …
Hidato Puzzles have been one of my go-to puzzles in my file cabinet of puzzles for several years now. I have had great success with getting students interested in these puzzles who haven’t been interested in other logic puzzles like Sudoku or KenKen. Somehow, these puzzles have never made an appearance on my blog. Today, …
Yes, I know that yesterday was Monday. But, I’m reaching that point in the semester where I am in deep need of motivation and inspiration. So, I figured I should compile a new volume of Monday Must Reads – a weekly-ish round-up of Twitter awesomeness to get my brain running with new ideas. And, we’ll …
I can’t believe it is already Monday once again. The weekends seem to be going by faster and faster lately. I have several blog posts in the works that I need to finish and share. Hopefully I will be able to knock a few out before the next Monday Must Reads rolls around. If you’re …
Zukei puzzles are the brilliant creation of Naoki Inaba. Inaba has posted these puzzles for free on his website, but it can be a bit hard to navigate since everything is written in Japanese. You may have heard of Inaba from his popular area maze puzzles. Instructions for Solving Zukei Puzzles The instructions for the …
August 9, 2016 – Cabinet Organizing Today turned into a pretty productive day. I read Smith and Stein’s 5 Practices for Orchestrating Productive Mathematics Discussions while waiting to have the alternator changed on our car. According to my Amazon account, I actually purchased this book back in May of 2014! It’s so sad that I’m …
Recently, I posted about some awesome area and volume puzzles created by Naoki Inaba. You can read that post here. While researching those puzzles and looking for possible online sources for them, I found some on Mr. Inaba’s website. This led me to start wondering, “What kind of other puzzles has he created?” So, ever-curious …
What are Shikaku Puzzles? Shikaku Puzzles are a geometric-based logic puzzle from Japan. I was first introduced to them from a tweet from Bowen Kerins. The goal of a shikaku puzzle is to subdivide the grid into rectangles (and squares) so that the number in each rectangle refers to the area of that rectangle. Only …