## Events

Real World Math: Concept Lessons - Estimation
Real World Math

Two sample problems are included that demonstrate how Google Earth can present estimation problems involving area.

Real World Math: Measurement - Complex Area
Real World Math

This lesson consists of two parts.

Peter Weatherall: Circle Song
Peter Weatherall

Learn about the geometry of circles with Peter Weatherall’s Circle Song.

Real World Math: Measurement - Crop Circles
Real World Math

Anyone who has seen these strange circles from an airplane can see how easily they can be incorporated into a Google Earth math lesson.

ABCya! Percent Panic
ABCya!

Percent Panic is a game for children to see the relationships between: area, percents, and fractions.

Real World Math: Exploratory Lessons - Pyramid in the Desert
Real World Math

This lesson introduces students to the concept of fractals with a simple fractal curve.

Lowell Observatory Camps for Kids (LOCKS): Archimedes' Principle
Lowell Observatory

Learn to measure density and solve the mystery of the gold crown like Archimedes.

Illuminations: The Area of Things ...
Illuminations (National Council of Teachers of Mathematics)

Students have opportunities to recognize and use the attributes of length and area using non-standard units.

Mathalicious: Cartogra-fail
Mathalicious

In this lesson, students approximate the areas of different landmasses by decomposing them into triangles and rectangles.

Illuminations: Collecting The Rays
Illuminations (National Council of Teachers of Mathematics)

In this lesson, students explore how variations in solar collectors affect the energy absorbed.

Mathalicious: Pizza Pi (MS) - Legacy
Mathalicious

In this lesson, students calculate the area of each pizza to determine how much each square inch costs.

Illuminations: Go With Green Rectangles
Illuminations (National Council of Teachers of Mathematics)

Students manipulate 2-dimensional rectangles to focus on the relationship between the scale factor and ratio of perimeters of similar rectangles, and the relationship between scale factor and ratio of areas of similar rectangles.