Sophia Learning
Sophia: Slope Intercept Form and Direct Variation: Lesson 2
This lesson relates slope-intercept form to slope and direct variations. It is 2 of 4 in the series titled "Slope-Intercept form and Direct Variation."
Sophia Learning
Sophia: Slope Intercept Form and Direct Variation: Lesson 4
This lesson relates slope-intercept form to slope and direct variations. It is 4 of 4 in the series titled "Slope-Intercept form and Direct Variation."
Sophia Learning
Sophia: Slope Intercept Form and Direct Variations
This lesson relates slope-intercept form to slope and direct variations.
McGraw Hill
Glencoe Mathematics: Inverse Variation Review Quiz
This five question multiple choice review quiz allows you to review the concepts of inverse variation. After selecting your final answers, click on "Check it!" to see how you did.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Combined Variation
Find a quick, concise explanation of Combined Variation. Hyperlinks are available to explain how variables can vary directly and inversely.
Math Planet
Math Planet: Algebra 2: Rational Expressions: Variation
Provides an explanation and examples of variation.
The Wonder of Science
The Wonder of Science: 3 Ls3 1: Inheritance and Variation of Traits
Work samples, phenomena, assessment templates, and videos that directly address standard 3-LS3-1: inheritance and variation of traits.
Purple Math
Purplemath: Variation Equations
Purplemath offers an extensive explanation of direct and inverse variation, containing several examples and real-world applications.
Lumen Learning
Lumen: Boundless Communications: Variations in Language
This lesson focuses on the use of variation in language when preparing a speech including directness, subjectivity and objectivity, abstraction, and accurate, reliable, unbiased, credible, and current sources.
Texas Instruments
Texas Instruments: Linear Functions Using the Cbl 2
Students will generate data on the CBL 2 to represent a linear function. They will investigate the slope of a direct variation. Then they will use different starting points to represent y intercept.
Texas Instruments
Texas Instruments: Numb3 Rs: Barging In
Based off of the hit television show NUMB3RS, this lesson exposes students to equations of variation (direct, inverse, and joint) in the real world, as well as having students work with such equations in the real world context. The...
Oswego City School District
Regents Exam Prep Center: Algebra 2: Direct and Inverse Variation
The mathematics tutorial explores direct and inverse variation. The lesson consists of class notes, examples, and practice problems with solutions. The teacher resource includes an activity that examines mathematical variation in art.
Cengage Learning
Cengage: Variation
Learn about the mathematical models for both direct and indirect variation on this site.
University of Oregon
Pizzaz, Creative Writing & Storytelling: Bi Directional Spiraled Poems
This PIZZAZ (People Interested in Zippy and ZAny Zcribbling) lesson plan will engage students in writing twist poems. Examples of ideas for these types of poems are provided. Variations of twist poems are listed as a way to provide for...
Texas Instruments
Texas Instruments: Selection Direction
In this activity you will produce histograms using the Data Graphs Wizard and learn about the concept of biological variance.
CK-12 Foundation
Ck 12: Algebra: Graphs of Rational Functions Study Guide
This comprehensive study guide highlights the main terms and formulas needed to understand graphs of rational functions. Examples are included.
Texas Instruments
Texas Instruments: Take the Train
In this activity, students collect information about the stops made, time taken, and distance covered by a train on one of Amtrak's routes. They find a mathematical model that can best track the train. Students understand concepts...
TeachEngineering
Teach Engineering: Applications of Linear Functions
This lesson plan culminates the unit with the Go Public phase of the legacy cycle. In the associated activities, students use linear models to depict Hooke's law as well as Ohm's law. To conclude the lesson plan, students apply they've...
National Institutes of Health
Niehs: Kids' Pages: You and Your Genes
Online children's story that teaches about genes and how they direct how you react to things in your environment. Click on "next" at the bottom of the story to see how different people respond differently to harmful substances.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Proportions
Practice using your graphing calculator for solving proportion problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Special Functions
Twenty-five problems present a variety of practice identifying and graphing various functions. 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...
Texas Instruments
Texas Instruments: How Fast for Whiplash? Going With the Flow
In this activity, students recognize direct variation as a rate of change and apply it in problem situations. They also use average rates of change to make decisions in problem situations.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: High School Basic Algebra Review
An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...
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