Curated OER
Whose Breakfast isn't for the Birds?
Students explore coffee production. In this cross-curriculum rainforest ecology lesson, students research regions where coffee comes from and investigate how the native birds in the rainforest are effected by coffee...
Curated OER
Venn Diagram
Students classify items and numbers by using a Venn diagram. In this Venn diagram lesson plan, students use the computer to do this and classify pictures and numbers.
Curated OER
The Nutrients Public Transportation System
Students investigate the human circulatory system by experimenting with hoses. In this human body lesson, students create a system of hoses simulating the circulatory system which they utilize to pass objects through....
Curated OER
Electric Field Mapping in 3D
Students create a 3D vector field map of an electric field. In this physics lesson, students measure the voltage inside an aquarium with water. They present their findings and map to class..
Curated OER
A slope or not a slope? That is the question.
Eighth graders investigate concepts related to Cartesian Coordinates. They use a creative game at the beginning of the lesson to identify quadrants by passing candy to one another. The rest of the lesson is using vocabulary and problem...
Curated OER
Russian Dolls Investigation
Students measure a set of Russian dolls using the metric system. For this measurement lesson plan, students identify certain relationships between sets of measurements by measuring a set of Russian dolls and presenting their findings to...
Curated OER
Comparison of Two Different Gender Sports Teams - Part 1 of 3 Measures of Central Tendency
Students gather and analyze data from sports teams. In this measures of central tendency lesson, students gather information from websites about sports team performance. Students analyze and draw conclusions from this data. This lesson...
Curated OER
Tree-mendous Trees
Students become aware of the importance of trees in the natural world. Students are shown 2 filmstrips - Special Things About Trees and Tree Magic. Students plants seeds. They, students predict the growing chart of tree growth. Students...
Curated OER
Loyalists
High schoolers explain why some colonists remained loyal to England during the American revolution. In this social studies lesson, students write a letter to an editor about their reasons for remaining loyal to England.
Curated OER
Ellipses And Kepler's First Law
Students explain that planets actually orbit the center of gravity of the solar system, and that distant planets may be detected by motions of their central star around the centers of gravity of their planetary systems.
Texas Instruments
Texas Instruments: Circular Functions
In this activity, students find intercepts of circular function graphs. They also investigate the characteristics of such graphs.
Better Lesson
Better Lesson: Algebra Ii: The Trigonometric Functions
A lesson plan where students will interpret the trigonometric functions in terms of the unit circle, graph a sinusoidal function, and use a sinusoidal function to make interpretations in a modeling context.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Graph of Circle as a Function
Dr. Math, in a reply to a student question, describes how a circle can be a function.
Cuemath
Cuemath: Cosecant, Secant and Cotangent Functions
Features graphs of the trigonometric functions cosecant, secant, and cotangent. Includes solved examples and practice questions.
University of Vienna (Austria)
The Graphs of Sin, Cos, and Tan Maths Online
This applet allows the user to create the graphs of sin, cos, and tan by moving a scroll bar. The user can watch the unit circle and the graph simultaneously to see how the two are related. The user may also choose to see the angle...
Oswego City School District
Regents Exam Prep Center: Unit Circle
Two hands-on lab activities for instructors to use when teaching about the coordinate graphs of the sine, cosine, and tangent functions derived from a unit circle. The graphs of the reciprocals of the three functions are investigated....
Purple Math
Purplemath: Trigonometric Functions and Their Graphs
Explains the horizontal forms of trigonometric graphs by showing how they relate to the circular graphs.
CK-12 Foundation
Ck 12: Trigonometry: Tangent and Cotangent Graphs
[Free Registration/Login may be required to access all resource tools.] Define the tangent and cotangent graphs using the unit circle.
CK-12 Foundation
Ck 12: Algebra Ii: 4.2 Right Triangle Trig Extended to Circles With a Model
This section explores the relationship between right triangles, circles, and trigonometry. It investigates how a right triangle that is set inside a circle and rotates around the circle is connected to trigonometric functions and their...
CK-12 Foundation
Ck 12: Trigonometry: Cosine and Secant Graphs
[Free Registration/Login may be required to access all resource tools.] Define the cosine and secant graphs using a unit circle.
CK-12 Foundation
Ck 12: Algebra Ii: 4.5 Graphing Sine and Cosine
This section explores the graphs of sine and cosine functions. It investigates how these graphs are related to coordinates for different angles in a unit circle.
Math2
Math2.org: Algebraic and Conic Section Graphs
THis resource provides examples and information about Algebraic graphing.
Paul Dawkins
Paul's Online Notes: Algebra: Graphing and Functions
Students investigate functions and graphing. Topics examined are lines, circles, graphing functions, inverse functions, and combining functions. Class notes, definitions, and examples with detailed solutions are included. The class notes...
Clark University
Clark University: Dave's Short Trig Course: Trigonometric Functions
The Clark University site shows and explains the graphs of the six trigonometric functions. It explains how to find an arbitrary angle measurement using trig. Also, it explains that sine and cosine functions are complementary.