Curated OER
Trigonometry - Week 9
In this trigonometry worksheet, learners use the sum-to-product formula, and the law of sines and cosines to solve trigonometry problems. This two-page worksheet contains eight problems.
Curated OER
Scalene Triangles
Fifth graders identify and classify scalene, equilateral, and isosceles triangles. In this triangle lesson, 5th graders define the different attributes of 3 types of triangles and sort them by descriptions and...
Curated OER
It's All About Me
Students engage in a variety of activities to develop the skills they need to answer questions about themselves. They respond to questions relating to their ages, names and favorite colors.
Curated OER
Completing Precalculus Computations
In this precalculus worksheet, 12th graders find the solutions to four problems. They verify the identity of sine and find the exact value of cosine.
Curated OER
Integrals with Even Powers of Sine and Cosine
Pupils discuss ways to integrate given trigometric functions. They use a trig identity (half angle identities) to solve problems. Students practice solving problems with even powers of both sine and cosine. They change a sum of integrals...
Virginia Department of Education
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Alabama Learning Exchange
Attitude Determines Altitude
A fabulous lesson which combines mathematics with space science. Middle schoolers work in cooperative groups in order to research early astronauts and their accomplishments. They look at a variety of rocket and space shuttle designs, and...
EngageNY
Complex Numbers and Transformations
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
Mathematics Vision Project
Module 7: Trigonometric Functions, Equations, and Identities
Show your class that trigonometric functions have characteristics of their own. A resource explores the features of trigonometric functions. Learners then connect those concepts to inverse trigonometric functions and trigonometric...
Curated OER
Boat Safety and Water Sports - Lesson 5 - Water Skiing Laws/Safety/Equipment
Water skiing laws exist for the safety of all concerned. Proper equipment is just as important as following all the laws concerning safety. Lesson 5 is part of a unit on boat safety and water sports. There are links at the bottom of the...
Curated OER
Worksheet 16-Fall 1995
In this math worksheet, students compute the quotient of two differential amounts. They compute the trigonometric functions of a given variable. Students compute the derivatives of three functions.
Curated OER
Exploring the Soul of India
Students use websites to obtain information on the relationship between religion and current issues in India. They compare the information with pre-20th century India.
Curated OER
The Polls
Learners obtain how polls are conducted. They differentiate between scientific and non-scientific poll. They analyze the role that polls play in an election.
Curated OER
What is Framing?
Students practice framing issues. In this writing skills lesson, students participate in a classroom activity that requires them to look at specific topical issues by framing them. Students then create collages on current issues and...
Curated OER
Are All Children at the Same Starting Gate?
Learners examine the education experience around the world. In this global studies lesson, students research education standards and practices in developing and developed nations. Learners share their research findings in a class project...
Curated OER
How To Rule Cell Division
Students explore cell division through auditory, visual and tactile stations that each describe a stage of cell division. Then they apply the information from the stations in a mini-homework project that is tailored to one of the...
Curated OER
Identities and Trigonometric Values
Students solve trigonometric equations. In this precalculus instructional activity, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.
Curated OER
PreCalculus: Final Examination
In this final examination worksheet, students find the tangent function and sine function. They graph problems on a polar coordinate. Students describe trigonometric properties. This twelve-page worksheet contains 80...
Curated OER
Fractals
Students explore the concept of fractals. In this fractal lesson, students use applets to explore Koch's Snowflake, Sierpinski's Triangle, and other fractals. Students develop these concepts through exploration and teacher guided...
Curated OER
Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure
Seventh graders find the area of irregular polygons. In this instructional activity on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
Curated OER
Trigonometry Review
In this trigonometry worksheet, students solve trigonometric equations, prove trigonometric identities, and graph trigonometric functions. The four page worksheet contains sixteen questions. Answers are not...
CK-12 Foundation
Ck 12: Trigonometry: Half Angle Formulas
[Free Registration/Login may be required to access all resource tools.] Using identities to derive more half angle formulas.
PBS
Pbs Learning Media: Wide Angle: Complications of Identity
Wide Angle video tells the story of two identical twins, one of whom was classified as white and the other as black, highlighting the difficulty in defining race in Brazilian society. [2:53]
Wolfram Research
Wolfram Math World: Half Angle Formulas
This page, from Eric Weisstein's comprehensive Math World site, offers information on half-angle formulas. The site includes traditional trigonometric fuctions half-angle formulas as well as hyperbolic half-angle formulas. Includes links...