CK-12 Foundation
Ck 12: Analysis: Functions and Inverses
[Free Registration/Login may be required to access all resource tools.] In this lesson students are provided with an introduction to inverses of functions. Students examine guided notes, review guided practice, watch instructional videos...
Soft Schools
Soft Schools: Genetics Quiz
Take an interactive quiz over genetics. After completing the quiz, check your score, and then revisit any incorrect question for further review.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Direct and Inverse Variation
Dr. Math gives hints of how to solve a problem with inverse and direct variation. The site includes how inverse and direct variation problems are set up using initial and final conditions. The student can then solve for the unknown. A...
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.
![Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf] Unknown Type")
University of Waterloo (Canada)
Univ. Of Waterloo: Wired Math: Linear Graphing: Graphing and Analyzing [Pdf]
The mathematics resource assesses students on linear relations. The activity has problems with graphing and analyzing linear relations. Some of the topics included are variation, scatter plots and linear relationships. The worksheet has...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Variation
Here is a site that clearly and thoroughly explains direct and inverse variation. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have been...
Concord Consortium
Concord Consortium: Stem Resources: Variations and Adaptations
Experiment with variations in grass to see which size grows best with different amounts of water. Understand that grass that can live in different levels and change to its environment has a better chance of surviving. Also, experiment...
CK-12 Foundation
Ck 12: Algebra: Graphs of Linear Models of Direct Variation
[Free Registration/Login may be required to access all resource tools.] Students will write, graph, and solve direct variation models for real-world problems. Students examine guided notes, review guided practice, study vocabulary, watch...
CK-12 Foundation
Ck 12: Algebra: Applications Using Direct Variation
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve real-world problems modeled by direct variation. Students watch a video tutorial, explore guided notes and attempt...
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.
Khan Academy
Khan Academy: Activities: The Evolutionary Causes of Biodiversity
An activity where students use peppers to explore reproductive potential and natural selection in part 1. In part 2, students look at traits such as dimples, tongue rolling, thumbs, ear lobes, and widow's peak to investigate individual...
ArtLex
Art Lex: V Page
A brief but effective definition of the Principle of Design known as Variety. There are links to other terms within the definition as well as quotations useful to the topic.
Math Planet
Math Planet: Algebra 2: Rational Expressions: Variation
Provides an explanation and examples of variation.
Soft Schools
Soft Schools: Outliers
On this websites students explore the concept of outliers. Students are given several data sets and investigate how outliers can effect the mean and median of a data set.
Sophia Learning
Sophia: Sentence Variety: Lesson 1
This slideshow lesson focuses on using sentence variety in composition to improve clarity and overall readability. It is 1 of 2 in the series titled "Sentence Variety."
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.
Sophia Learning
Sophia: Sentence Variety: Length
This lesson goes discusses variation in sentence length.
University of Illinois
University of Illinois: Quadratic Formula
This site from the University of Illinois offers an excellent simulation of the quadratic formula, where you can type in different values for a, b, and c, and then view the change in the answer for x.
Oswego City School District
Regents Exam Prep Center: Error in Measurement
What are the common errors made when students take measurements and how can they be avoided? A good deal of vocabulary associated with measurement errors is explained. Tips are provided for the student and the teacher in hopes of...
Varsity Tutors
Varsity Tutors: Hotmath: Statistical Questions
Explains what a statistical question is and when and how central tendency and the spread of the data are relevant.
