Curated OER
Properties of Fractals
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Curated OER
Pumped Up Gas Prices
Young scholars spend one month keeping track of the mileage and gasoline amounts they or their family has used. Information is entered into a spreadsheet to help calculate the average gas prices over time.
Curated OER
Graphing Linear Inequalities
Eighth graders extend skills for representing and solving linear equations to linear inequalities. Lesson activities build understanding and skill by plotting ordered pairs of numbers that either satisfy or do not satisfy a given...
Curated OER
Direct Variation
In this Algebra II instructional activity, 11th graders solve problems involving direct variation. The two page instructional activity contains explanation, examples, and twenty-one problems. Answers are not included.
Curated OER
Intro to Trigonometry
After being introduced to the basic trigonometry functions, students calculate the height of school landmarks. They experiment with different angles to find the correct height.
Curated OER
Sloping and Intersecting a Linear Function
High schoolers examine and discuss typical linear equations, and the difference between a linear and nonlinear equation. They observe examples of linear equations and complete a worksheet.
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Students map data on employment in wood products manufacturing in Oregon counties. In this Oregon forest lesson, students discover the percentage of people employed in the forest manufacturing industry. Students create a box and whisker...
Curated OER
Buying My First Car
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Running The Business
In this career activity, students are asked to look at the six stages necessary for the success of running a hypothetical new business.
Curated OER
Portrait and Figure Drawing
Students practice their drawing skills. In this drawing skills lesson, students complete a self-observation drawing activity and then 3 methods of figure drawing.
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Pupils locate the many forests located in Oregon. In groups, they use the internet to research employment data on wood products made in the state. They discuss how looking at information presented in a different way can change their...
Google
Google for Education: Ratios and Proportions
Students use ratio and rate reasoning to solve real-world and math problems by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
OER Commons
Oer Commons: Introduction to Ratio Tables
Seventh graders use ratio cards to find equivalencies and form partnerships for the week. As a class, 7th graders discuss and decide on classroom norms. Give each student a ratio card. Instruct students to find a classmate whose card has...
Khan Academy
Khan Academy: Ratio Tables
Practice filling out tables of equivalent ratios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 6.rp.3a Worksheets
Print or create worksheets or flashcards to assess students' understanding of ratio concepts and creating tables and graphs.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 7.rp.2b Worksheets
Print or create worksheets or flashcards to assess students' understanding of the constant of proportionality.
Khan Academy
Khan Academy: Constant of Proportionality From Tables
Practice finding the Constant of proportionality from tables.
Khan Academy
Khan Academy: Writing Proportional Equations From Tables
Practice writing proportional equations from tables.
Khan Academy
Khan Academy: Ratio Word Problems
Practice solving ratio word problems like, "If Ben reads 10 pages in 15 minutes, how long does it take him to read 40 pages?" Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Other
Helping With math.com: Ratios and Unit Rates
This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.
Alabama Learning Exchange
Alex: Thirsty for Ratios
In this lesson plan, the students will learn what a ratio is and how it can be used in a comparison. In this lesson plan, students will also determine how to combine a sports drink in powder form and water to make enough for a whole...
Other
Desmos: Tile Pile
Students explore proportional relationships in this activity as they build a ratio table in order to project how many tiles would be needed to cover the area of a floor.
University of Texas
Inside Mathematics: Truffles [Pdf]
This task challenges a student to demonstrate understanding of ratios and proportions. Learners must determine a generalized rule from an understanding of ratio and proportional reasoning in a given real-world context.
Khan Academy
Khan Academy: Constant of Proportionality From Tables (With Equations)
Practice finding the constant of proportionality from tables with equations.