Special Collection: Math Favorites

 

 

Explore student and teacher favorites from the DynaMath archive to apply core math skills to real-world problems

Will T. rex Have to Share the Crown?

Learn about an exciting debate among T. rex experts, then round numbers related to T. rex fossils to the nearest 10 or 100.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
All About Rounding
Watch a video about rounding numbers
Rolling With Number Lines
Complete an activity about rounding
Download

Far-Out Flavors

Get the scoop on the craziest ice cream flavors in the U.S., then determine the value of bills and coins related to the prices of different flavors.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Bills and Coins
Watch a video about bills and coins
Money Match
Match pictures of bills and coins with their values
Download

E-Sports Excitement

Read how teams of students play competitive video games at schools across the country, then subtract numbers within 1,000 using strategies based on place value.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Subtractions Strategies
Watch a video about subtraction
Subtraction with Place Value Blocks
Use place value block models to subtract
Download

Muddy Moves

Discover how kids nationwide participate in a muddy obstacle course, then determine the appropriate tool and reasonable unit of measurement for given scenarios.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Matching Units With Tools
Measure common classroom objects
Download
Mini Mudder
Watch a video about mud runs

The Amazing Journey of a Wonder Dog

A lost pet walked more than 2,500 miles to return to his family. Multiply with arrays to learn more about his adventure.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Multiplication Diagrams
Watch a video about multiplication
The Amazing Journey of a Wonder Dog
Listen to this article read aloud

LEGO Builder

Learn how a woman turned her LEGO-building hobby into a job! Find the volume of rectangular prisms representing buildings made from LEGO bricks.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Finding Volume
Identify length, width, and height in rectanglar prisms
Download
Veronica the LEGO Master
Watch a video about LEGOs

Robot Helpers

Cleaning the floor, serving up lunch, practicing a sport . . . Whatever the task, there’s probably a bot for that! Add decimals related to ways humans use robots around the world.

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Robots at Work
Watch a video about robot helpers
Adding and Subtracting Decimals
Watch a video about decimals

Pop-Up Designer

Meet an artist who makes pictures leap off the pages of books. Then identify and draw lines of symmetry in 2-D drawings based on his designs. 

Explore the article and additional resources
Lesson Plan
A step-by-step guide to teaching this article
Download
Engineering the Perfect Pop-Up
Watch a video about making pop-ups
Symmetry in Shapes
Classify shapes and draw lines of symmetry
Download

Art Credits: Will T. rex Have to Share the Crown?: T. Rex Illustration by Franco Tempesta;Far-Out Flavors: iStockPhoto/Getty Images; E-Sports Excitement: National Association of Collegiate Esports; Muddy Moves: Courtesy of Tough Mudder; The Amazing Journey of a Wonder Dog: Illustration by Courtney Huddleston; LEGO Builder: James Estrin/The New York Times/Redux; Robot Helpers: Jason Nuttle Photography/Courtesy of OhmniLabs (Hospital Buddy); Pop-up Designer: Courtesy of Vivian Moy