Curated OER
Exterior and Interior Angles of Triangles
Tenth graders explore the exterior and interior angles of triangles. They use a theorem in order to prove a theorem about all polygons. Students use the theorem and its applications to find the angles of different types of triangles.
Illustrative Mathematics
Regular Tessellations of the Plane
Bringing together the young artists and the young organizers in your class, this lesson plan takes that popular topic of tessellations and gives it algebraic roots. After covering a few basic properties and definitions, learners attack...
Curated OER
All the President's Men and Women
Students research responsibilities, programs and government departments of leaders that make up the presidential cabinet, in the form of a Web Exploration, after reading "Dueling Power Centers" from The New York Times.
Noyce Foundation
What's Your Angle?
Math can be a work of art! Reach your artistic pupils as they explore angle measures. A creative set of five problems of varying levels has young learners study interior and exterior angle measures of polygons. The introductory levels...
Virginia Department of Education
Angles in Polygons
Polygons — it's all about the angles. Groups work with dynamic geometry software to find the sum of the measures of the angles of various polygons. After finding the information for several polygons, the groups generate a formula that...
Virginia Department of Education
Lines and Angles
Explore angle relationships associated with transversals. Pupils construct parallel lines with a transversal and find the measures of the angles formed. They figure out how the different angles are related before constructing...
Virginia Department of Education
Angles, Arcs, and Segments in Circles
Investigate relationships between angles, arcs, and segments in circles. Pupils use geometry software to discover the relationships between angles, arcs, and segments associated with circles. Class members use similar triangles to...
Curated OER
A Design for a Fireplace: Extreme Home Makeover
Young scholars examine a relief structure focusing on style, relief, and design. Students discuss and analyze the sculpture Sketch for a Fireplace Overmantel by Francesco Antonio Franzoni. Young scholars brainstorm about the current...
Curated OER
What's in That Cake?
Cooperative groups research trip logs from deep-sea expeditions and explore characteristics of deepwater habitats. Using a cake as the ocean floor, they work together to decorate it as a model of such habitats. They also prepare a...
Curated OER
Glacier Bay Seabirds
A gorgeous collection of photographs take viewers on a virtual tour or Glacier Bay National Park with a focus on the seabirds living in the area. Adaptations to the polar climate are highlighted, different species of birds are displayed,...
Curated OER
It's a Gas! Or is it?
Oceanography enthusiasts are given a series of thought experiments to consider in order to relate the solubility of gases and solids to underwater volcanoes. It is not particularly engaging to perform these thought experiments. Choose...
Curated OER
It's a Gas! Or is it?
Examine the effects of temperature and pressure on solubility and the states of matter of ocean water. Learners make inferences about the unique chemistry of ocean water at different depths. They engage in an activity related to...
K12 Reader
The Louisiana Purchase
Readers are asked to identify the main idea and two supporting ideas in a brief passage about the Louisiana Purchase.
National Park Service
Civil War to Civil Rights: From Pea Ridge to Central High
Explore how the Civil War impacted the Civil Rights Movement. Class members complete a series of projects for a unit that uses a layered curriculum approach to learning.
US Geological Survey
Water Cycle Poster
How many parts make up the water cycle? How many things on Earth rely on water as a system? Learn more about the water cycle in an informative and colorful poster. Print and hang, or project the graphic in the classroom for optimal use.
National Park Service
How Theodore Roosevelt Became a Leader: Childhood of an American President
The beginning of the 20th century began with a shock: the assassination of President McKinley. The man who would take his place—the youngest American to ever become president—led quite a life before stepping foot in the Oval Office. An...
Curated OER
Spreadsheet formulas
Learners, while in the computer lab, practice using formulas, print options, functions and adjusting column widths while interacting with a spreadsheet program. They modify and use spreadsheets, after being given a scenario, to solve...
Curated OER
Life is Weird
Separate your science class into small groups and assign each a specific deep-sea organism to research. The class will learn about all of the organisms as each group presents their assigned animal. Following their presentations, you can...
Curated OER
How Diverse is That?
After reviewing biodiversity, learners work in small groups to analyze actual species distribution data. They learn to calculate the Shannon-Weaver diversity index for different communities. Though not particularly engaging, the content...
Curated OER
CSI on the Deep Reef
After some instruction, small groups prepare a written report on chemotrophic organisms. Though not clearly mentioned, this resource would work best if groups have the Internet available to research the vocabulary and different organisms...
Curated OER
This Life Stinks
Chemosynthetic communities of cold seep areas are considered in this lesson. Working in collaborative groups, marine biology or oceanography learners research and prepare a report about oxidation-reduction reactions involved with...
Curated OER
How Clean is the Water?
Students read about and discuss water and how it is used as a resource and how engineers use technology to preserve it. In this water lesson plan, students look at a picture of water treatment and tell what is wrong with the picture.
Curated OER
Whose Rite Is It?
The class explores and debates, from multiple perspectives, a petition to allow Hopi Indians to take golden eagle hatchlings from a federal wildlife sanctuary for use in a religious ceremony. Pupils defend their personal views on the...
Curated OER
Denali Park Topographic Maps
Middle schoolers construct a topographic map of the Denali National Park. They identify different elevations and record historic landmarks in student science journals.