Lesson Plan
Curated OER

Measuring Angles in a Triangle

For Teachers 9th - 12th Standards
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...
Lesson Plan
Texas Instruments

REAL LIFE REAL WORLD Activity - Surveyor

For Teachers 9th - 12th Standards
Learners investigate surveying in this secondary mathematics lesson. They will explore a real world application of geometry and trigonometry as they create a plot plan using a geometry utility and calculate the area of the land parcel.
Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
Learners calculate the sides of right triangles in this trigonometric ratios lesson plan. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The...
Lesson Plan
Curated OER

Properties of the Centers of a Triangle

For Teachers 9th - 12th Standards
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This instructional activity requires the use of Cabri, Jr.
Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 9th - 12th Standards
High schoolers investigate the relationship between angle measures and sides of a triangle and the relationships among the three sides of a triangle. The use of technology (Cabri, Jr.) allows learners to make and test conjectures as they...
Lesson Plan
Curated OER

What's the Spin?

For Teachers 9th - 12th Standards
Learners use the CABRI application for their graphing calculator to rotate, translate, and reflect triangles. They use graphing calculators and follow detailed directions to manipulate triangles in specified ways. There are three...
Lesson Plan
Curated OER

Trigonometric Ratios

For Teachers 9th - 12th Standards
Learners investigate properties of the unit circle using sine, cosine and tangent. They analyze the answers to questions about the unit circle based on a right triangle.
Lesson Plan
Texas Instruments

What's the Trig?

For Teachers 9th - 12th Standards
Learners determine the trigonometric relationships within a triangle as they construct a right triangle on the Ti-89. They find the sine, cosine, and tangent of various angles of their triangle construction.
Interactive
Curated OER

Breaking News English: Drug Companies

For Students 5th - 10th
In this drug companies worksheet, students read the article, answer true and false questions, complete synonym matching, complete phrase matching, complete a gap fill, answer short answer questions, answer discussion questions, write,...
Lesson Plan
Curated OER

Scaffolding Academic Learning for Second Language Learners

For Teachers 9th - 12th
High schoolers walk through exposure to material on Great Inventions and Transportation using scaffolding techniques such as: language simplification, pre-reading, graphic organizers, note taking and more.
Lesson Plan
Curated OER

Math Today - World Population Milestones

For Teachers 9th - 12th Standards
Students use the data from USA TODAY Snapshot "World population milestones" to explore and explain the trends in the world population.
Lesson Plan
Curated OER

Math TODAY - The New Color of Money

For Teachers 9th - 12th Standards
Students work with large numbers when determining the height of a stack of $20 bills.
Lesson Plan
Curated OER

Math TODAY Challenge - New Color of Money

For Teachers 9th - 12th Standards
Students read about the changes in the "new money" and then create a graph to represent various combinations of currency produced.
Lesson Plan
Curated OER

Japan

For Teachers 2nd
Second graders experience, through a hands-on approach, Japan's geography, daily life, language, foods, education, customs, art and literature. They discover all the exciting events that take place to make it really seem like they are...
Lesson Plan
Curated OER

Rainforest

For Teachers K - 1st
Students examine how important the rainforest and its resources are for our everyday survival in the future.
Lesson Plan
Curated OER

50 States: New England States

For Teachers 5th - 6th
Learners discover where certain states are located and what the look like. They look for their information on a web site. Each student is assigned a state which they must research then present to the entire class.
Lesson Plan
Curated OER

An Introduction to Sequences

For Teachers 4th
Fourth graders are introduced to arithmetic and geometric sequences. In this mathematics lesson, 4th graders produce a variety of sequences by varying the starting number, multiplier, and the add-on number.
Lesson Plan
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Great Expectations Character Adoption

For Teachers 9th - 12th
Students write a detailed character analysis by adopting a character from the novel, Great Expectations, and become an authority on the character.
Lesson Plan
Curated OER

Math 5 - Act. 01: Multiplication Strategy Review

For Teachers 5th
Fifth graders play a game to practice all of the strategies for multiplication they have memorized.
Lesson Plan
Curated OER

Where in the World? :Understanding Latitude and Longitude

For Teachers 4th - 6th
Students play a grid-based game and devise clues to help classmates locate spots on the globe in order to recognize the value of using longitude and latitude for identifying locations.
Lesson Plan
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Ocean Habitats:

For Teachers 7th - 9th
Learners investigate the creatures of intertidal zones. They explore the adaptations species make to survive .
Lesson Plan
Curated OER

Fires and Fire Suppression

For Teachers 6th - 8th
Learners examine their assumptions about forest fires. They explore the conflicts involved with the forest service's new strategy. in addition, they will study one case where a prescribed natural burn had a significant impact on a later,...
Lesson Plan
Curated OER

Floods: Rising Waters and You

For Teachers 9th - 12th
Students will examine how floods work and why they can cause so much damage and destruction. They use a stream table to observe the processes that lead to flooding and the effects of floods on human-made structures. Includes a guide to...
Lesson Plan
Curated OER

Co-evolution of Plants and Pollinators

For Teachers 9th - 12th
Young scholars explore biological evolution and natural selection and its evolutionary consequences. They also explore how organisms are interdependent on one another.