Open-Ended Triple-A Analogies ~ High Ceiling / Low Floor

Here is a math activity that can serve as a quick brain teaser or an ongoing whole-class activity to use throughout the school year. First, if you aren’t familiar with what I call Triple-A Analogies, watch the video tutorial below, first shared in this post. It’s a great place to start and you’ll find ready-to-share … Read more

24 Challenge® ~ Math Club and Tournament Resources

Recently, GT teacher Julia Dweck (@GiftedTawk) posted on Twitter about her class competing in the math game 24 with a group of college students. One video she shared of her students competing in a Variables round was amazing! I confess: I was not aware of the many different versions of the game! I was inspired … Read more

Kid-Created Number Logic Problems ~ More Gus and Gabby

Recently, I had a chance to introduce a group of 3rd-grade GT students to the Gus and Gabby problems found HERE. After doing a set of problems, the students asked if they could create their own. They were reading my mind, and I loved that it was their idea! The process of creating their own … Read more

How To Think About a Number ~ Let Us Count the Ways!

A MIND-STRETCHING SET OF CHALLENGES THAT REQUIRES ZERO PREP! How many tasks can be inspired by a simple two-digit number? When I began playing around with this idea, my brain exploded. This is just the kind of task we want for our students, right? mind-blowing and brain-stretching? And the best part? The challenge sets below … Read more

Muggins! Math Game ~ “Aerobics for the Mind”

by Taylor Halliday This summer, we’re having a Summer Share & Tell in our Facebook group. In one of our great discussions, Taylor Halliday, a Gifted Intervention Specialist working with grades 3-8, shared her enthusiasm for the math game MUGGINS! We all wanted to learn more! She agreed to elaborate in a blog post so … Read more

The World of Extreme Numbers: Scientific Notation, Fermi Problems, and More

by Natalie Medolla Natalie Medolla is an elementary Enrichment Program coordinator in New Jersey working with students in grades K-5. We began exchanging emails when she sent me a video link she thought I might like to add to POWERS of TEN and COSMIC EYE: Mind-Expanding for All Students. She mentioned that she and her … Read more

Math Beyond the Puzzles ~ For Math Nerds Who Love Nerdle

In The Math Behind the Fun and Games ~ Lessons for Masterminds Who Love Wordle, the focus was on introducing students to combinatorics, the branch of math that is behind many popular daily puzzles. Here I’ll share three different ways to present daily math puzzles so that younger students can join in and older students … Read more

The Math Behind the Fun and Games ~ Lessons for Masterminds Who Love Wordle

You may have noticed a cultural phenomenon taking place – a guessing game craze. Wordle is everywhere, sparking interest in similar games such as Mastermind, Oodle, and Mathler. If you and your students enjoy any of these games, this would be a great time to introduce them to a branch of mathematics called combinatorics and … Read more

Statistics Can Fool You! Lesson Ideas for Data Interpretation

In this second post of a series, I continue to promote the wonderful lessons in 10 Things All Mathematicians and Scientists Must Know by Ed Zaccaro (see also Occam’s Razor, Critical Thinking, Big Foot, and Aliens). The lessons in Chapter 7, “Don’t Be Fooled By Statistics” are so important for our students today. The scenarios, … Read more

What’s Your Angle, Pythagoras? A Lesson in Math Discovery

The study of ancient philosophers, mathematicians, and scientists is a major component of the 5th-grade IMPACT theme. The Story of Science makes these paradigm-shifters come to life, and Pythagoras is one who fascinated my students! Pythagoras had some interesting ideas about the divinity of numbers and the prevalence of numerical patterns in the universe. His … Read more