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April 19, 2021

Here’s Why I’m Going To Teach My Math Students To Code

Why teach coding?

Simply put, coding can change and impact people’s lives.

The effect technology — as a result of computer code — has on this world is incredible. What used to be thought of as impossible is now made possible. What’s more amazing is that our technological accomplishments always open up new realms of possibilities. Cellphones, for instance, didn’t stop at phone calls — they led to streaming music and eBooks and brain teasing games and the ability to map the night sky.

This suggests that learning technology and its underlying language — coding — is extremely powerful.

Coding In the Math Classroom

Coding isn’t easy — learning it or teaching it. But I think we can all agree that this skill will become more and more important over time. President Obama said it himself, that American students should learn computer science if we want to stay on the “cutting edge” and remain competitive. Recently, I asked my students, “Do you think people will use computers more in the future, or less?” “More!” they all replied.

If all of this is true, then what am I doing as a math teacher to prepare these kids for what lies ahead?

I began the year reflecting on the importance of learning the 21st century skill of coding. In particular, I wondered how I could integrate coding into my classroom. This was a challenge. A couple of questions immediately came to mind:

  • How can I teach coding without forfeiting math content?
  • Rather than teaching code as a stand alone subject, how can coding be useful in supporting students’ understanding of math concepts?

Coding as a Bridge to Mathematics

I tinkered around with a few types of coding software that allowed me to build a game, so I could see what the possibilities were. I built a simple game, and I do mean simple, but the development process took hours. My self-learning project began with one objective: make a cat on the screen dodge falling watermelons. That’s it. It sounded simple enough in my head, but it wasn’t long until I realized that even coding a simple game required a lot of thinking. How will I make the cat move? How will the watermelons fall? How will the computer know that I won? In general, how can I tell the computer to do what I want?

I realized that coding requires many of the same skills that we use in math, such as critical thinking and problem solving. Developing my simple cat game required me to “make sense of problems and persevere on a task,” which sounds a lot like one of our eight Common Core Mathematical Practices. This led me to think about the rationale behind the eight practices. Teaching the mathematical practices are just as important as teaching the math content. We want students to learn math and solve problems, but we also want students to learn how to approach problems. We want students to make sense of problems, critique the reasoning of others, analyze errors and solutions, contextualize and decontextualize problems — the list goes on.

Coding can help students make sense of these eight mathematical practices. Of course, coding is just one suggestion, and I’m not saying that it’s the best way to make the mathematical practices concrete for students. However, there is certainly an opportunity for math educators to integrate coding into their instruction. Besides reflecting the eight mathematical practices, coding may also help students improve their attitude towards problem solving. Just like completing any challenging math problem or finishing a difficult puzzle, the final product of my simple cat game left a satisfying impression. I felt proud of my accomplishments and hungered for a much more challenging project. In fact, this is what “learning” should feel like. I hope that in my math classes, students feel proud of their accomplishments and seek out new challenges.

My “Getting Better Together” Project

Are there other ways to integrate coding into the math classroom? I absolutely love utilizing technology in my instruction, and I’m constantly looking for ways to do more. I’m currently using resources from and ScratchED to get students to understand the behavior and language of coding.

Here’s a little bit of context about who will be involved in this coding work: Students in my algebra support class — students who need extra support in that subject area — will be participating in coding once a week. These students take two math classes a day, and they were originally put in these classes to enrich and support their algebra work. I will be observing to see if teaching my students how to code will result in student growth. This will require some data collection to show evidence of effective instruction.

There are three projects that I want my students to finish by the end of the year. First, my students will create artwork using the platform. Second, I want students to draw connections to math concepts learned in their Algebra classes with their projects in coding. Lastly (if time allows), I want kids to create their own game using the ScratchED platform, present their final product, and share it with their peers. Through these projects, I want students to achieve these learning goals:

  • Reflect on the power of coding and how it can affect people’s lives
  • Explain why learning how to code is important and relevant
  • Use constructive feedback to modify and analyze errors in coding
  • Share and critique games and code to enhance the user’s experience
  • Persevere on a difficult task, especially if a problem seems unsolvable
  • Take ownership of their project and learning
  • Make connections and apply their coding skills to other classes

I’m looking forward to getting this project off the ground and I’m seeking guidance and feedback from the Tch community. I’m reaching out to other educators who have taught coding in their classrooms. I’m also wondering if there are any math teachers who have experience integrating coding into their classrooms to support students’ understanding of mathematics. I feel that this is an ambitious project for me, a novice at teaching coding, and a project with an unforeseeable ending.

I anticipate many challenges ahead, but the whole point of Getting Better Together is to create a project that is impossible to do alone. Why should we settle for something small, when we could be dreaming big?


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