####

Dozens of scientific societies, universities, research institutes, and foundations all over the world have banded together to dedicate 2013 as a special year for the Mathematics of Planet Earth. NCTM is proud to be one of those partners.

Below are resource collections for two themes. *A Planet to Discover* includes topics such as: oceans, meteorology and climate, mantle processes, natural resources, solar systems and a planet to a planet organized by humans. *A Planet Organized by Humans* includes focuses on: political, economic, social and financial systems, organization of transport and communications networks, management of resources, and energy.

### A Planet to Discover

Mission Mathematics

#### Elementary

Investigations: Ocean Quest

Math by the Month: Natural Wonders

Math by the Month: Weather or Not

Calculating Puddle Size

#### Middle School

Illuminations Lesson: Space Shuttle - Travel in the Solar System

Illuminations Lesson: Finding our Top Speed

Modeling the Sea Floor

An Investigation of Solar Noon

What If We Lived in a Flat Land?

Cartoon Corner: The Longest Yard

#### High School

Illuminations Lesson: Mars Orbit

Paper Moon: Simulating a Total Solar Eclipse, with Professional Development Guide

Looking to Mars for Mathematics Connections

Cell Phones and Sun Shadows: Exploring the Equation of Time

Poles, Parking Lots, and Mount Piton: Classroom Activities that Combine Astronomy, History, and Mathematics

Activities for Students: Ellipses and Orbits: Asteroids and Comets

### A Planet Organized by Humans

news&views: Is math politically neutral?

Equity, Mathematics Reform, and Research

Math Teachers as Political Advocates

STEM: An Advocacy Position, Not a Content Area

The Math of Voting & The Elections

More Voting & Election Resources

#### Elementary (PreK-2)

Illuminations Lesson: Graphing Trash Material

Illuminations: Primary Economics

Illuminations Applet: Coin Box

Making Sense out of Cents

Take Care of Mother Earth: Technology and the Environment

#### Elementary (3-5)

math by the month: Economic insights through problem solving

#### Middle School

Illuminations Lesson: Football Finances

Illuminations Lesson: The Cost of Being Late

Social Justice Lessons and Mathematics

Integrating Mathematics and Social Issues

What are you Worth?

Invest in Financial Literacy

The Money Context

How to Buy a Car 101

#### High School

Illuminations Lesson: Supply and Demand

Mathematics, Politics, and Greenhouse Gas Intensity: An Example of Using Pólya's Problem-Solving Strategy

Algebra, Home Mortgages, and Recessions

Poverty: Teaching Mathematics and Social Justice

Activities for Students: A S(t)imulating Study of Map Projections: An Exploration Integrating Mathematics and Social Studies

The Back Page: Financing a College Education

The Essential Fairness of a Mortgage Loan: Developing Financial Literacy