Activity
Curated OER

Task: Miniature Golf

For Teachers 6th - 10th Standards
"Fore!" All right, no one really yells this out in miniature golf, but this well-defined activity will have your charges using lots of numbers in their unique design of a miniature golf hole. Included in the activity criteria is the...
Lesson Plan
Mathematics Assessment Project

Inscribing and Circumscribing Right Triangles

For Teachers 9th - 12th Standards
High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve...
Lesson Plan
EngageNY

Wishful Thinking—Does Linearity Hold? (Part 1)

For Teachers 11th - 12th Standards
Not all linear functions are linear transformations — show your class the difference. The first instructional activity in a unit on linear transformations and complex numbers that spans 32 segments introduces the concept of linear...
eBook
Rice University

Calculus Volume 1

For Students 11th - Higher Ed
Differentiate between calculus concepts. The beginning of a helpful calculus resource begins with a short review of functions and moves right into limits to define derivatives. The six-chapter resource continues with applications of...
Lesson Plan
Curated OER

Regressive Music

For Teachers 9th - 12th
Student use the Ti calculator to graph sinusoidal graphs. In this calculus lesson plan, students use the CBL to collect and analyze data of sinusoidal graphs. They manipulate their collected data and make predictions.
Lesson Plan
Curated OER

The Delta Flier

For Teachers 7th - 9th
Students make calculations in order to construct a kite in the shape of an isosceles right triangle. In this kite lesson students calculate altitude of their flying kites using a formula.
Worksheet
Curated OER

Depression and Elevation Angles

For Students 9th - 12th
In this angles worksheet, students utilize trigonometry to determine angles of elevation and depression. There are 7 questions and some contain pictures.
Worksheet
Curated OER

Rita's Ice Problem

For Students 11th
In this algebra worksheet, 11th graders calculate how many different choices they can create making their icy. The have a choice of 26 different flavors of ice and 5 different flavors of ice cream. There is a solution to this problem.
Lesson Plan
Curated OER

La Toteca- A Tropical Paradise

For Teachers 7th - 11th
Students collect data on the time of the ferry. In this algebra lesson, students use the data to predict a ferry schedule. They also compute the depth where oxygen would be needed when diving.
Worksheet
Curated OER

Integrating Functions

For Students 6th - 8th
In this math worksheet, students find the answers to the functions that includes integration and trigonometry. They use the examples for help with the special functions.
Lesson Plan
Curated OER

The Corner Problem

For Teachers 11th - Higher Ed
Students explore the concept of the corner problem. For this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Students use similar triangles to...
Worksheet
Curated OER

Vertical Tower 2

For Students 11th - 12th
For this trigonometry worksheet, students prove that for the given conditions of the problem that cos y = cos2 x.  The one page worksheet contains one problem with the solution. 
Lesson Plan
Curated OER

Tilted Squares and Right Triangles

For Teachers 5th - 6th
Students investigate squares. They generate patterns from structured situations and find a rule for the general term and express it using words and symbols. Students generate patterns from a rule and substitute values and formulas.
Lesson Plan
Curated OER

Poppy Meets Pythagoras

For Teachers 8th
Eighth graders find connections between numbers in a table; use Pythagoras' theorem in a general algebraic form; and measure accurately from a scale drawing to find a method that might enable the helicopter to land inside a rectangular...
Lesson Plan
Curated OER

Vectors in Relative Velocities Problem Set

For Teachers 11th - 12th
Pupils, after reading an explanation from a NASA Web-based textbook, demonstrate an understanding of vector addition and the text by applying them to the determination of vector components and relative velocities.
Website
Cool Math

Coolmath: Solving Trig Equations

For Students 9th - 10th
This CoolMath resource explains how to solve trigonometric equations
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Solving Trigonometric Equations

For Students 9th - 10th
Sixteen problems offer practice solving trigonometric equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each...
Activity
Analyze Math

Analyze Math: Solving Trigonometric Equations

For Students 9th - 10th Standards
The free mathematics tutorial investigates trigonometric equations. The tutorial consists of examples with solutions on solving a trigonometric equation.
Activity
Other

Brown Math: Solving Trig Equations

For Students 9th - 10th
Some trigonometric equations can be solved only numerically. But a great many can be solved in closed form and simple procedures. This web page shows you how to do it in five steps (or fewer)!
Unit Plan
CK-12 Foundation

Ck 12: Trigonometric Equations Using the Quadratic Formula

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using the quadratic formula.
Activity
Paul Dawkins

Paul's Online Notes: Solving Trig Equations

For Students 9th - 10th
In this section we will discuss how to solve trig equations. The answers to the equations in this section will all be one of the "standard" angles that most students have memorized after a trig class. However, the process used here can...
Activity
Paul Dawkins

Paul's Online Notes: Solving Trigonometric Equations

For Students 9th - 10th
n this section we will discuss solving trig equations when the answer will (generally) require the use of a calculator (i.e. they aren't one of the standard angles). Note however, the process used here is identical to that for when the...
Activity
Math Medics

S.o.s. Math: Trigonometric Equations

For Students 9th - 10th
This math lesson presents methods of solving trigonometric equations when the answer does not seem obvious. The lesson begins by giving an example then has a few practice problems for viewers to solve with solutions as links.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Trigonometric Equations Using Factoring

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using factoring.