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Aresta #3

Innovamat

03/12/2025|7 min read

The Innovamat Newsletter

Where the Faces of Mathematics Education Meet

Hi there! Here’s our last newsletter of the year! 😁

This month, we want to wish you a math-filled holiday season with a fresh batch of recommendations straight out of the oven.

Don’t miss our visit to a 5th grade classroom, the full interview with Cathy Williams, and all the math recommendations from our friend Eratosthenes! Let’s dive in!

Stepping into the Classroom

Practicing Order of Operations

Oops… looks like our calculator left early for Thanksgiving break 😅. Check out what happened:

Only a few keys survived, and now we’ll need to think harder to solve operations!

The Challenge

🤔 With the keys you still have, can you find 4 different ways to make 46? Check out the example and give it a try!

A broken calculator is a great excuse to practice order of operations and understand the properties of operations in general.

Watch how these 5th grade students solve tons of order of operations problems through activities that make them think! 👇

Step Into the Classroom

Make it happen in the classroom: access the guide and resources.

The Class of My Life

A Conversation About Math Education with Mathematical Mindsets Co-Author

“In math education, the power of ‘yet’ is transformative.” Cathy Williams

Don’t Miss It!

The Tangram News

Highlights, Reflections, and Key Dates!

Holiday Activities! 🎁

👉 We’ve prepared 5 festive activities that will get you thinking—perfect for school or home. You’ll find them all collected in a booklet you can take anywhere. ✨

Download Now

👉 What does research say about homework? Cecilia Calvo explains it clearly in this article.

👉 New features in at-home practice! Discover the resource we’re preparing for your students.

👉 [Efficacy Study] 81% of students with low math performance improve arithmetic fluency with intervention.

Watch the Video

👉 An activity with vertical whiteboards? Read Cecilia and Laura’s workshop chronicle and bring it to your classroom!

Eratosthenes’ Library

Recommendations for Everyone

Eratosthenes, what do we find in your library today?

🎁 MATH GIFTS

The holidays are coming… and so is gift-giving season! In this article , we bring you tons of recommendations so you can give math-inspired gifts.

🎬 MOVIE

Good Will Hunting (Gus Van Sant, 1997)

Perfect for a cozy movie afternoon! It tells the story of a young man with a brilliant mind for mathematics who discovers everything he’s capable of achieving.

🧩 GAME

NMBR 9 (Peter Wichmann, 2017)

A game where you build structures with three-dimensional number pieces. As simple to learn as it is strategic: the higher you place the numbers, the more points you score.

📃 ARTICLE

Foster, C. (2023). Problem solving in the mathematics curriculum: From domain general strategies to domain-specific tactics.

This article argues that problem-solving should be integrated into the curriculum by balancing general strategies with specific tactics. Foster maintains that deep mathematical thinking emerges from this realistic and complementary combination.

✨ DID YOU KNOW THAT…?

“6–7” was chosen as word of the year? Curious, because it’s not even a word: they’re two numbers that have captivated everyone without anyone really knowing what they mean.

Explore Eratosthenes’ Full Library

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