Science Education Resource Center at Carleton College
Serc: Investigating Variables: Passengers Supported by Lifeboats
In this lab experiment, students will create a boat to discover how many pennies it can hold before sinking. Students will use variables including materials for construction, boat depth, and placement of passengers to see the...
McGraw Hill
Glencoe: Self Check Quizzes 1 Variables and Expressions
Use Glencoe's randomly generated self-checking quiz to test your knowledge of using variables and evaluating expressions. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Massachusetts Institute of Technology
Mit: Open Course Ware: Single Variable Calculus
The online course consists of educational materials about single variable calculus. Video lectures, readings, syllabus, exams, and assignments are included.
CK-12 Foundation
Ck 12: Algebra: Definition of Variable
[Free Registration/Login may be required to access all resource tools.] Write algebraic expressions and equations using variables.
CK-12 Foundation
Ck 12: Algebra: Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Choose variables and write expressions.
CK-12 Foundation
Ck 12: Algebra: Expressions With One or More Variables
[Free Registration/Login may be required to access all resource tools.] Substitute values for variables and evaluate expressions.
CPALMS
Florida State University Cpalms: Florida Students: Identification of Variables
An explanation of how dependent and independent variables are used during experimentation.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Solving for a Variable
Get independent practice solving for a variable. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Science Education Resource Center at Carleton College
Serc: Mn Step: Scientific Method and Variables
For this activity, students are instructed to build a tower using kitchen sponges and toothpicks. They draw their tower in detail, then deconstruct it. Next they build it again using the drawing, but must change one variable, e.g., use a...
CK-12 Foundation
Ck 12: Single Variable Expressions: Neighborhood Block
[Free Registration/Login Required] Students will solve single variable expressions using a grid of a neighborhood. Click challenge me to answer a question about the grid and click learn more to explore single variables and watch a video.
Concord Consortium
Concord Consortium: Smartgraphs: Independent and Dependent Variables
For various scenarios students select which of two variables should be considered independent and which dependent, and to explain their choice.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Variables, Expressions, and Properties
This site gives a short interactive quiz which allows students to self-assess their understanding of variables, expressions, and properties.
Discovery Education
Discovery Education: Web Math: Crunch a Numerical Expression With Variables
Use this "math solver" to help you understand and evaluate any numerical expression, including those that involve variables. Simply type your expression in, and allow this website to provide step-by-step instructions on how to evaluate...
CK-12 Foundation
Ck 12: Expressions With One or More Variables: Water Bottle Expression
[Free Registration/Login Required] Students solve expressions with one or more variables by following the given directions and moving the points on the water bottles. Click challenge me to answer a question and click learn more to...
CK-12 Foundation
Ck 12: Single Variable Division Equations: Paper Car Tires
[Free Registration/Login Required] Students practice solving division equations with variables. Click challenge me to answer practice questions and click learn more to watch a video.
CK-12 Foundation
Ck 12: Plix: Variables in Experiments: Scientific Experiments
[Free Registration/Login Required] Understand different variables that can be changed in an example of a scientific experiment. This site also includes a short quiz.
Science Education Resource Center at Carleton College
Serc: Paper Helicopters: Variables and Experimental Design
Introduce scientific design and variables through this simple lesson of building paper helicopters. Activity includes a link to a video on how to make helicopters.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Equations Variables on Both Sides
Twenty-seven problems present a variety of practice solving equations with variables on both sides. 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...
Other
Palmer Inedependent School District: Linear Inequalities in Two Variables [Pdf]
A set of example problems and exercises on linear inequalities in two variables. Includes how to write them using a graph or a table of values.
McGraw Hill
Glencoe: Self Check Quizzes 3 Variables, Expressions and Properties
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of variables, expressions and properties. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the...
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.
Sophia Learning
Sophia: Independent/dependent Variables: Lesson 2
This lesson will explain the difference between independent and dependent variables. It is 2 of 4 in the series titled "Independent/Dependent Variables."
Sophia Learning
Sophia: Independent/dependent Variables: Lesson 3
This lesson will explain the difference between independent and dependent variables. It is 3 of 4 in the series titled "Independent/Dependent Variables."
CK-12 Foundation
Ck 12: Probability: Discrete and Continuous Random Variables
[Free Registration/Login may be required to access all resource tools.] This Concept introduces students to discrete and continuous variables.
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