# Catherine Dobner

## 343 Flips | 2 Magazines | 5 Likes | 1 Following | 42 Followers | @cnash4 | Keep up with Catherine Dobner on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Catherine Dobner”

### Multiple Representations for Trigonometric Equations

I have to say that we’re doing some pretty neat stuff for trig this year in precalculus. I’m working with two other teachers and totally writing …

Mathematics### Marbleslides, Squigles, Portfolios, Previewing: My Third TMC Recap Post

Another blogpost about takeaways from TMC17 which I may be able to use in my classroom.<b>Marbleslides Challenges</b>I love Sean Sweeney. He’s everything …

Teaching### The Map of Mathematics: Animation Shows How All the Different Fields in Math Fit Together

Back in December, you hopefully thoroughly immersed yourself in <i>The Map of Physics</i>, an animated video--a visual aid for the modern age--that mapped …

Mathematics### These Are the Four Stages of Your Brain on Math

Have you ever wondered what your brain is really doing as you sweat your way through a math test? Now you can see for yourself, thanks to a new brain …

### Students grasp abstract math concepts after they demonstrate them with arm motions - Scienmag: Latest Science and Health News

Students who make relevant arm movements while learning can improve their knowledge and retention of math, research has shown.<p>Now researchers at …

### Expanding Double Brackets MAGIC BOX ACTIVITY

A differentiated activity that gets students out of their seats. A change from worksheet activities. Print each of the PDFs on the appropriate …

Teaching### 12 Brain Building Math Board Games for Curious Kids

With summer coming up, I’m on the lookout for a new game or two to liven up quiet afternoons. It’s an added bonus if I can sneak a little math …

Kids### Grade-school students teach a robot to help themselves learn geometry - Scienmag: Latest Science and Health News

Computer technology has become integral to the learning process. According to the National Center for Education Statistics, at the end of the last …

### Developing Derivatives Graphically

In this activity students develop the visual connection between a quadratic function and its derivative. Each student is given a quadratic function …

### Coloring with Pascal’s Triangle … Binomial expansion

Working with Pascal's Triangle offers some interesting and varied mathematics. We love to color and the end result is pretty! Here is the first of 3 …

Mathematics### Maths All Around Us Shed

Maths All Around Us Shed.<p>We are surrounded by maths in our everyday lives, this shed will hopefully highlight the importance of maths and how it may …

### New Algebra Gizmos: Simplifying Algebraic Expressions I & II

Two new Algebra Gizmos Simplifying Algebraic Expressions I and II are now live on our site!<p>Building on our first two game-based Algebra Gizmos, …

Mathematics### Movie Reviewer (Mean and Median) Gizmo : Lesson Info

User Lesson Materials (3):<p>Students will find mean, median, mode, and range for a movie of their selection.<p>Best For: <i>5th Grade Math</i><p>Gizmo User from …

Mathematics### How Programming Supports Math Class, Not the Other Way Around

Technology in School<p>How Programming Supports Math Class, Not the Other Way Around<p>By Chris Bartlo May 31, 2016<p>Macrovector for Shutterstock<p>There is …

### Could This Digital Math Tool Change Instruction For the Better?

Math instruction can be the most resistant to changes in pedagogy — even schools that have had success with project-based learning or …

Teaching### Dots and Boxes Game

When I was in high school, one of my favorite ways to waste time in class (not recommended) was to play a game called dots and boxes (although at the …

Mathematics### 4 Activities Every Math Course Writer Can Use

It’s easy to fall into a routine of approaching math content the way you learned it as a student yourself. The 21st century learner, however, is …

Pedagogy### A mathematical colouring book on Kickstarter has raised more than $400,000

Yes, it's a colouring book. And yes, it has raised more than A$400,000 ($310,750) so far on Kickstarter. To be fair to its illustrator, however, it's …

### The Math Revolution

The number of American teens who excel at advanced math has surged. Why?<p>On a sultry evening last July, a tall, soft-spoken 17-year-old named David Stoner and nearly 600 other math whizzes from all over the world sat huddled in small groups around wicker bistro tables, talking in low voices and …

### 5-Year-Olds Can Learn Calculus

Why playing with algebraic and calculus concepts—rather than doing arithmetic drills—may be a better way to introduce children to math<p>The familiar, hierarchical sequence of math instruction starts with counting, followed by addition and subtraction, then multiplication and division. The …

### With Math I Can - Growth Mindset Tools

Jo Boaler, Professor of Mathematics Education at the Stanford Graduate School of Education and author of eight books including Mathematical Mindsets: …

### Finger tracing can lift student performance in math: Schoolkids who used finger tracing fared better with previously unseen geometry and algebra questions, new research has found

Schoolkids who used finger tracing fared better with previously unseen geometry and algebra questions, new research has found<p>Schoolkids who used …

### Harnessing the Power of the Productive Struggle

Mateo spent 14 minutes reading this morning. After lunch, he read for 28 minutes, took a 5-minute break, and then read for 16 more minutes. How many …