Science Education Resource Center at Carleton College
Serc: Foss Lifeboat Investigation
The second of a lesson series contains an activity where students choose a lifeboat's variable to investigate, plan an experiment based on the variable they have chosen, and then test the variable. Upon completion of their experiment,...
Sophia Learning
Sophia: Find Slope and Rate of Change
This learning tutorial demonstrates how to find the slope of a line and the rate of change for a table. The lesson includes several PowerPoint presentations about slope and even provides practice problems for students to test their...
National Council of Teachers of Mathematics
Nctm: Figure This: Number Tricks
Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...
Can Teach
Can Teach: Target: An Equations Game
Using decks of cards and knowledge of number operations, learners develop multi-step equations to reach a target number.
Purple Math
Purplemath: Algebra Resources
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
CK-12 Foundation
Ck 12: Algebra: Single Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Use variable expressions to describe and solve real-world dilemmas.
CK-12 Foundation
Ck 12: Algebra: Multiplication and Division Phrases as Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students write multiplication and division phrases as single variable expressions. Students examine guided notes, review guided practice, watch...
Purple Math
Purplemath: Partial Fraction Decomposition: General Techniques
Partial-fraction decomposition is the process of starting with the simplified answer and taking it back apart, of "decomposing" the final expression into its initial polynomial fractions. This reference material demonstrates the...
University of Georgia
University of Georgia: Inter Math: Linear Equation
This site defines a linear equation in a very basic and understandable way. The opening page gives examples of linear equations and questions posed to the reader which may be answered easily by examining the definition given. Be sure to...
University of Georgia
University of Georgia: Inter Math: Types of Data
This site has a concise definition of "Data," plus examples of data types and collection methods.
CK-12 Foundation
Ck 12: Algebra: Applications of One Step Equations
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve real-world problems using one-step equations. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Algebra: Expressions With One or More Variables
[Free Registration/Login may be required to access all resource tools.] Evaluate multi-variable expressions by using a given value for the variable.
University of Canterbury
Cs Unplugged: How Binary Digits Work
Learn why we have different number systems and expolre binary digits.
Khan Academy
Khan Academy: Challenge: Bucktooth Bunny
Use the power of variables to give a bunny bigger eyes and teeth in this coding challenge.
BBC
Bbc Bitesize: Data Structures and Data Types: Identifiers and Annotation
See how choosing meaningful names for the variables, constants, and subroutines makes it easier for the next person to work on the code to understand it.
BBC
Bbc Bitesize: Data Structures and Data Types: Implementing Data Structures
Learn how data structures are implemented in computer programming.
CK-12 Foundation
Ck 12: Algebra Ii: 5.3 Normal Distribution
This section explores normal distribution curves that have a unique, bell-like shape and represent data that is "normally" distributed. It also addresses how many real-life situations can be modeled by normal distribution curves.
CK-12 Foundation
Ck 12: Algebra Ii: 3.5 Using Logs to Solve Exponential Functions
This section explores logarithms as operations that are the inverse of exponents. It investigates the process for "undoing" or "eliminating" variable exponents when solving exponential equations.
Khan Academy
Khan Academy: The Structure of Costs in the Long Run
In the long run, you can change anything about your business, so all costs are variable.
Khan Academy
Khan Academy: The Structure of Costs in the Short Run
This article focuses on the structure of costs in the short run; some costs are fixed, so you can't do anything about them. It includes a questions.
CK-12 Foundation
Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
PBS
Pbs: Linear Equations in One Variable
Visualize solutions to one variable equations by performing a balancing act. This interactive exercise focuses on linear equations and mathematical reasoning to show how one variable equations need to stay balanced to be solved correctly...
PBS
Pbs: Piano Tuning and Balancing Equations
Examine how one innovator is working to improve the way concert pianos are designed and tuned. This video focuses on the balance that needs to occur in an ideally tuned piano key and explores how David Stanwood calculated the balance...
PBS
Pbs: Balancing Scales to Solve Equations
Predict the number of blocks you need to equal the weight of one bag and then test your theory. This interactive exercise focuses on using critical thinking skills to add and subtract items on the scales to achieve balance and visual...