Curated OER
Exponents, Logs and Equations
In this algebra instructional activity, learners solve logarithmic equations using the 3 properties of logs. They calculate the exponential functions. There are 27 questions.
Curated OER
Beat the Heat: Meander Through These Books
A hazy, daisy, lazy summer reading list for math (and interdisciplinary) learning.
TryEngineering
Sorting Socks is Algorithm Complexity
Use hosiery to teach computer science. Scholars use socks to develop a set of algorithms. They find ways to find a particular sock from a set and ways to sort socks. Finally, they use their algorithms to consider time complexity.
Curated OER
New Functions From Old, Part 1
In this function instructional activity, students use various methods to solve functions. They explore the logarithm function, the derivative of an exponential function, and compose a function with a linear equation. This four-page...
Curated OER
Determination of An Acid Dissociation
In this chemistry worksheet, students examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Rainbows, Bridges & Weather, Oh My!
Explore how real-world applications can be parabolic in nature and how to find quadratic functions that best fit data. A number of different examples of modeling parabolas are explored including a student scavenger hunt, the exploration...
Curated OER
Dead Body Math
Students solve the mystery of dead Mr. Potato Head using physics and algebra. They discuss Newton's Law of cooling as it applies to the mystery scenario involving a cooling baked potato as the "victim". They manipulate algebraic...
Curated OER
Acid Rain
Learners understand the dynamics of acid rain and its impact on the living and non-living environment. They hypothesize how acid rain affects water pH levels in two lake systems with differing watershed features.
Curated OER
CONCEPTS IN NUMBER THEORY.
Young scholars study the Maya culture and their achievements in mathematics, how bacteria grow exponentially, use rational numbers to convert back and forth between Celsius and degrees Fahrenheit, how some architectural designs are...
Curated OER
Are You a Golden Ratio?
Middle schoolers explore the concept of the golden ratio in nature and architectural design. They discuss examples such as petals on a sunflower and the Parthenon. In small groups they take turns measuring their body parts to find a...
Curated OER
Differential Equations and Population Growth
Young scholars determine the size of the population at a given time. They calculate the time at which the population will be a given number. They observe how the population grows at the rate that is directly proportional to the number of...
Curated OER
pH and Red Cabbage Juice
Students review properties of materials and define what pH tells them about matter. In this pH levels lesson, students determine whether materials are acids or bases using indicator substances.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Natural Logarithms
Thirty-one problems present a variety of practice working with natural logarithms. 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...
Math Is Fun
Math Is Fun: Working With Exponents and Logarithms
Clearly presented explanation of how logarithms and exponents work together, the properties of logarithms, the natural logarithm and the natural exponential functions, the common logarithm, changing the base, and real-world applications...
Paul Dawkins
Paul's Online Notes: Algebra: Logarithm Functions
Detailed math tutorial introduces logarithm functions giving the basic properties and graphs. Also, discusses how to evaluate some basic logarithms including the use of the change of base formula, the common logarithm, log(x), and the...
TeachEngineering
Teach Engineering: Common and Natural Logarithms and Solving Equations
Students continue an examination of logarithms in the Research and Revise stage by studying two types of logarithms--common logarithms and natural logarithm. In this study, they take notes about the two special types of logarithms, why...
Other
Wpi/app. Of the Natural Logarithm and Exponential
A page showing real life applications of natural logarithms in exponential grown and decay functions and Newton's law of cooling. Also includes exercises.
Wolfram Research
Wolfram Math World: Natural Logarithm
This site gives graphs of logarithmic functions and pays particular attention to base 10 and base e (natural logarithm). The site explains how to change bases, the importance of the natural logarithm in calculus, incorporating the...
Other
Edinburgh: Natural Logarithm Function
Good detailed site explaining the natural logarithm. The site has links to related topics.
Analyze Math
Analyze Math: Integral Form of the Definition of Natural Logarithm Ln(x)
The applet examines the definition of the natural logarithm ln(x).
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: The Natural Base, E
Nineteen problems present a variety of practice working with natural logarithms, the natural base, e. 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...
Other
Humboldt State University: Natural Logarithm
Wonderful natural logarithm site from the Humboldt State University with example problems.
McGraw Hill
Glencoe Mathematics: Online Study Tool: Quiz on Natural Logarithms
Learners demonstrate understanding of advanced mathematical concepts in Pre-Calculus. The online quiz assesses the scholars on natural logarithms.
University of California
University of California: Integrals and the Natural Log
This site explains the natural log and its integral. Includes examples.