Curated OER
Making Variables More Concrete
When teaching about the different types of variables, practice is the key.
Curated OER
Those Vexing Variables
Students recognize dependent and independent variables in an experiment by practicing manipulation of variables; students practice designing experiments that contain the two types of variables.
BW Walch
Creating Linear Equations in One Variable
The example of two travelers meeting somewhere along the road has been a stereotypical joke about algebra as long as algebra has existed. Here in this detailed presentation, this old trope gets a careful and approachable treatment....
CK-12 Foundation
Systems of Linear Equations in Three Variables: Intersecting Planes - No Solution
How many different ways can three planes intersect? The interactive provides three movable planes. Pupils manipulate the planes to determine the number of solutions possible based upon their intersections.
Bonneville
Manipulating Design Variables on Solar Heaters
Always strive to make things better. The second of three activities in the Experimenting with Solar Heaters unit has learners design new solar heaters that are more effective compared to the simple models they used in the previous...
Curated OER
Matchstick Math: Using Manipulatives to Model Linear, Quadratic, and Exponential Functions
Playing with matches (unlit, of course) becomes an engaging learning experience in this fun instructional unit. Teach pupils how to apply properties of exponential functions to solve problems. They differentiate between quadratic and...
BW Walch
Creating and Graphing Linear Equations in Two Variables
This detailed presentation starts with a review of using key components to graph a line. It then quickly moves into new territory of taking these important parts and teasing them out of a word problem. Special care is...
Curated OER
Variables and Controls in an Investigation
Seventh graders identify variables and controls in a paper airplane investigation. In this scientific method lesson plan, 7th graders conduct an experiment to determine the variables that affect the flight of paper airplanes. They design...
CK-12 Foundation
Simplify Products or Quotients of Single Variable Expressions: Circling C's
Model expression division using online manipulatives. Learners drag C's representing a term into equal groups. Guiding questions help them see their groups as the division of the term.
Curated OER
Looking At Variables
Students predict and test different variables that would effect sugar cubes dissolving in water. In this dissolving lesson plan, students have 4 petri dishes with 4 different variations of sugar cubes and water. They predict which will...
Curated OER
Linear Equations & Manipulatives
High schooler math students review operations and solve linear equations using manipulatives--squares, cubes, circles, and cups. They transfer the operations performed on the manipulatives in equation form.
Curated OER
Chairs Around the Table
Youngsters become flexible problem solvers with this challenging instructional activity. If there are 24 square tables in a restaurant, how many customers can be seated at one time? They can use manipulatives or draw pictures to help...
CK-12 Foundation
Simplify Sums or Differences of Single Variable Expressions: Addition and Subtraction of Like Terms
Investigate the process of combining like terms using an interactive animation. Scholars tackle simplifying expressions by manipulating rectangles that represent the terms. They add and subtract terms to arrive at the result.
Curated OER
Equations Lesson 1
Middle schoolers engage in a study of equations and how they are solved using algebraic methods. This overrides the fact of guessing as done in earlier grades. They cover the concept of inverse operations as the main way to manipulate...
Curated OER
Graphing Quadratic Equations
Review the form of a quadratic function, and the parabola it creates. Continue on with the whole group to work through a mini-lab, practicing how to graph quadratic equations with one variable. The goal of this lesson is for the group...
Balanced Assessment
Bathtub Graph
Represent the relationship between independent and dependent variables through a modeling situation. The activity expects learners to graph the volume of water in a bathtub during a given scenario. The graph should result in two areas of...
BW Walch
Linear & Exponential Functions
Positioned inside the framework of linear and exponential functions, this lesson is more of an investigation into the effects of changing variables and constants inside an expression. The author takes familiar formulas, those for...
Curated OER
Algebraic Equation Manipulation for Electric Circuits
In this electric circuit worksheet, students use Algebraic equations to manipulate the electrical resistance of a conductor. The answer a series of 19 open-ended questions. This worksheet is printable and the answers are revealed online.
Curated OER
Integer Solutions to Inequality
When is the last time you assigned your students only one problem? This seemly simple problem requires learners think like a mathematician and reason about how to solve this compound inequality in one variable. More than just using...
Curated OER
Using the Balance
Young scholars determine the mass of various objects. In this integrated math and science lesson, students use an arm balance to compare a known object to a combination of washers with a fixed weight. Young scholars record data,...
Curated OER
Study the Fizz
Young scholars experiment to determine which bottle of soda has more dissolved carbon dioxide. In this solutions lesson, students use the scientific method to test the amount of carbon dioxide in bottles of soda. They identify and...
Curated OER
Problem Solving
Fifth graders read and write equations. In this equation writing lesson, 5th graders use real life scenarios to write equations. Students use manipulatives, draw pictures and make tables to understand how to write equations. Students...
Curated OER
First Degree Equations
Students establish a solid competence in solving all types of equations and a solid understanding of how variables and equations can be utilitzed to solve real life problems.
Curated OER
TIMS, The Bouncing Ball: Math, Science, Measurement, Graphs, Variables
Learners determine the exact relationship between the height from which a ball is dropped and the distance that it rebounds.