Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 9th
Learners solve right triangles using the Pythagorean Theorem.  In this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle.  Learners find the hypotenuse given two...
Lesson Plan
Curated OER

Introduction to Graphical Representation of Data Sets in Connection with Nuclear Decay

For Teachers 7th - 8th
Students record data, make observations, and share in experimentation and discussion of numerical experiments.
Worksheet
Curated OER

Growth and Decay

For Students 9th - 11th
In this algebra learning exercise, students investigate growth and decay. They analyze the population of Winchester, Virginia to see what year had the most or least growth or decay. There are 4 word problems.
Lesson Plan
Alabama Learning Exchange

The Composition of Seawater

For Teachers 9th - 12th Standards
Students explore the concept of finding the composition of seawater.  In this finding the composition of seawater instructional activity, students make a saturated salt water solution.  Students discuss why there is variation...
Unit Plan
Vision Learning

Visionlearning: Exponential Equations in Science: Constant E, Limits to Growth

For Students 9th - 10th
An introduction to exponential equations that describe growth and decay over time. Variables and constants in the equation are explained.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Solving Exponential Equations

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that discuss methods for solving equations that contain exponentials.
Unit Plan
Vision Learning

Visionlearning: Exponential Equations in Science: Growth and Decay

For Students 9th - 10th
Definition of exponential equations and an explanation of how they relate to science.
Unknown Type
Khan Academy

Khan Academy: Algebra Ii: Solve Exponential Equations Using Logarithms

For Students 9th - 10th Standards
Solve exponential equations that have 2 or other numbers at the base of the exponential term. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Solve Exponential Equations Using Logarithms: Base 10 and Base E

For Students 9th - 10th Standards
Solve exponential equations that have 10 or e at the base of the exponential term. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Math Medics

S.o.s. Math: Solving Equations

For Students 9th - 10th Standards
This tutorial explains how to solve a variety of equations, from simple to complex, and gives examples and solutions. Students are asked to solve for x before looking at a solution.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Solving Equations With Exponents

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving exponential equations.
Activity
Purple Math

Purplemath: Solving Exponential Equations: Solving From the Definition

For Students 9th - 10th Standards
This Purple Math site has many examples of exponential equations, without using logarithms.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Exponential Functions

For Students 9th - 10th
This tutorial explains exponential functions and provides links pertaining to topics on them. You will learn to use the exponent keys on your calculator, to graph exponential functions, and to solve compound interest problems.
Activity
Texas Instruments

Texas Instruments: Solve Exponential Equation

For Teachers 9th - 10th
This StudyCards set begins with "what is an equation?" and continues to the meaning of solving an equation. The function approach is used to solve the equations.
Unit Plan
Texas A&M University

Wtamu Virtual Math Lab: College Algebra: Exponential Equations

For Students 9th - 10th Standards
Use your knowledge of logarithmic properties in order to solve "exponential equations where x is in the exponent, but the bases do not match." This tutorial offers simple examples and practice exercises for you to complete and check.
Activity
Math Medics

S.o.s. Math: Algebra

For Students 9th - 10th Standards
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Exponential Growth and Decay

For Students 9th - 10th
Find material to use when planning instruction on exponential growth and decay. A lesson offers several examples, graphs, and explanations, and there are two practice exercises and a group activity for testing and applying concepts learned.
Unit Plan
Khan Academy

Khan Academy: Algebra Ii: Exponential Model Word Problems

For Students 9th - 10th
Solve word problems about exponential situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
Paul Dawkins

Paul's Online Notes: Exponential and Logarithm Equations Practice Problems

For Students 9th - 10th Standards
In this section we will discuss various methods for solving equations that involve exponential functions or logarithm functions.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Exponential Expressions and Equations

For Students 9th - 10th
The mathematics tutorial explores exponential expressions and equations. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity that discusses...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Exponential Growth

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn about exponential growth functions.
Activity
Math Medics

S.o.s. Math: Solving Exponential Equations

For Students 9th - 10th Standards
Examples showing how to solve the exponential equation by using logarithms. It also includes a set of exercises to practice with.
Handout
Purple Math

Purplemath: Graphing Exponential Functions: Intro

For Students 9th - 10th Standards
An in-depth lesson which teaches you how to graph exponential equations. Examples are worked through step by step and explained in detail for different exponential equations.
Activity
Texas Instruments

Texas Instruments: Math Today for Ti Navigator System Paying College Tuition

For Teachers 9th - 10th
Students will write exponential equations based on the percent of increase of college costs and will graph and interpret these equations. Students will then use an inflationary equation based on the USA TODAY Snapshot, "Paying college...