Khan Academy
Khan Academy: Algebra Ii: Manipulate Formulas
Manipulate multi-variable formulas to isolate specific variables in order to solve some word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Manipulate Expressions Using Structure
Rewrite an expression containing two unknown variables by choosing a given equation that is equivalent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Manipulate Formulas
Solve multi-variable formulas for a specific variable in order to solve some word problems.
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."
Sophia Learning
Sophia: Control and Variable Groups: Lesson 3
This lesson will explain the difference between a control group and variable groups, when using the scientific method. It is 3 of 4 in the series titled "Control and Variable Groups."
Sophia Learning
Sophia: Control and Variable Groups: Lesson 4
This lesson will explain the difference between a control group and variable groups, when using the scientific method. It is 4 of 4 in the series titled "Control and Variable Groups."
Sophia Learning
Sophia: Control and Variable Groups: Lesson 1
This lesson will explain the difference between a control group and variable groups, when using the scientific method. It is 1 of 4 in the series titled "Control and Variable Groups."
Khan Academy
Khan Academy: Manipulate Expressions Using Structure
Rewrite an expression containing two unknown variables by using a given equation that contains those variables.
National Association of Geoscience Teachers
Nagt: Variable Rivers
In this activity students will test amount of water, velocity and steepness of a tabletop riverbed to see how it affects a river's depth, width, and delta size.
CK-12 Foundation
Ck 12: Chemistry: Scientific Experiments
[Free Registration/Login may be required to access all resource tools.] Experiments, experimental variables, and experimental controls are discussed.
Sophia Learning
Sophia: Independent/dependent Variables: Lesson 1
This lesson will explain the difference between independent and dependent variables. It is 1 of 4 in the series titled "Independent/Dependent Variables."
BBC
Bbc: Manipulation of Aglebraic Expressions
Pick up some valuable pointers on how to simplify and factor algebraic expressions. When you finish working your way through the pages, you can take an online "Test Bite" and check your understanding.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Simultaneity Spacetime Diagram
Manipulate variables in order to observe the effects of relative motion on events such as an explosion and the time at which its light signal reaches a destination.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Bending Light
Manipulate variables and measure angles as light is refracted in this interactive simulation.
Physics Classroom
The Physics Classroom: Circular & Satellite Motion: Uniform Circular Motion
Manipulate variables while exploring principles and relationships related to moving in a circle at a constant speed. Students change the radius of the circle, the speed of the object, and the mass of the object and investigate the effect...
Illustrative Mathematics
Illustrative Mathematics: A ced.a.4: Rewriting Equations
The goal of this task is to manipulate equations in order to solve for a specified variable. Aligns with HSA-CED.A.4.
Government of Alberta
Learn Alberta: Linear Systems Graph
Learn Alberta helps students visually explore various solutions of systems of two linear equations by allowing students to manipulate lines and view their numeric and graphic solution(s) or absence. The applet identifies the solutions as...
Government of Alberta
Learn Alberta: Linear Inequality Graph
Learn Alberta offers an interactive Java applet to manipulate and view all types of graphs of linear equations and inequalities.
Illustrative Mathematics
Illustrative Mathematics: A Sse Sum of Even and Odd
In this task, young scholars use the structure of an expression to find ways to rewrite it. They are asked to use the defining property of even and odd functions to manipulate expressions involving function notation and to see the...
Illustrative Mathematics
Illustrative Mathematics: A sse.b.3.a and a sse.a.2: Cubic Identity
This task presents a challenging exercise in both algebraic manipulations and seeing structure in algebraic expressions. Aligns with A-SSE.B.3.a and A-SSE.A.2.
Khan Academy
Khan Academy: Systems of Equations With Elimination Challenge
Solve systems of equations with multi-step elimination (e.g., a manipulation is needed in order for x-values and y-values to cancel each other out). Students receive immediate feedback and have the opportunity to try questions...
PBS
Pbs: Mike and Padhu: Bikes and Trikes
Solve a word problem with Mike and Padhu. This video focuses on valid methods of problem solving, including guess-and-check and modeling with manipulatives.
Hunkins Experiments
Hunkin's Experiments: Balance
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This pair of...