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...
Illustrative Mathematics
Illustrative Mathematics: Hsa ced.a.2 Create Equations in Two or More Variables
Choose from a variety of creative problems (tasks) to teach how to create equations in two or more variables to represent relationships between quantities and graph equations on coordinate axes with labels and scales. Explanations and...
Cuemath
Cuemath: Variable Expressions
A comprehensive guide for learning all about variable expressions with definitions, types of variable expressions, solved examples, and practice questions.
Better Lesson
Better Lesson: Solving Linear Equations in Two Variables
This MAP Classroom Challenge provides young scholars with an engaging and thought-provoking activity about notebooks, pens and cash registers to learn about solving equations in two variables. Includes assessment materials, student...
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.
Texas Education Agency
Texas Gateway: Solving One Variable Inequalities
Students will solve one-variable inequalities using a variety of representations, including tables, graphs, and symbolic representations.
Science Buddies
Science Buddies: Scientific Method Variables/hypothesis
Find out what variables are in a scientific investigation and what the difference is between an independent, dependent, and controlled variable. Look at samples of different types of variables and find out what makes a good variable.
PBS
Pbs: Cooking With Bill Nye: Dependent and Independent Variables
Making dinner become a math challenge and science experiment with Bill Nye. This interactive exercise focuses on using what you know about dependent and independent variables to make a prediction about whether boiling water with the lid...
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.
Purple Math
Purplemath: Variable
With this Purplemath lesson, find the answer to this question with examples to show how variables are written and used.
Biology Corner
Biology Corner: Identifying Variables in an Experiment
Students analyze different experiments to determine independent variables, dependent variables and control groups.
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.
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