EngageNY
Making Scale Drawings Using the Ratio Method
Is that drawn to scale? Capture the artistry of geometry using the ratio method to create dilations. Mathematicians use a center and ratio to create a scaled drawing. They then use a ruler and protractor to verify measurements.
EngageNY
Solving Area Problems Using Scale Drawings
Calculate the areas of scale drawings until a more efficient method emerges. Pupils find the relationship between the scale factor of a scale drawing and the scale of the areas. They determine the scale of the areas is the square of the...
EngageNY
From Ratio Tables to Equations Using the Value of a Ratio
Use the value of a ratio to set up equations. The teacher leads a discussion on determining equations from ratio tables in the 13th portion of a 29-part series. Pupils determine which of two equations to use to find the solution. They...
EngageNY
Describing the Center of a Distribution Using the Mean
Everyone does their fair share. The sixth segment in a 22-part unit presents the mean as a fair share. Groups build a conceptual understanding of the mean of a data set, rather than simply learn an algorithm. Learners use the...
EngageNY
Using Trigonometry to Find Side Lengths of an Acute Triangle
Not all triangles are right! Pupils learn to tackle non-right triangles using the Law of Sines and Law of Cosines. After using the two laws, they then apply them to word problems.
EngageNY
Using Sample Data to Compare the Means of Two or More Populations II
The 23rd segment in a series of 25 presents random samples from two populations to determine whether there is a difference. Groups determine whether they believe there is a difference between the two populations and later use an...
Council for Economic Education
Using an Excel Checkbook
High school is the time that many scholars get their first jobs. Help young entrepreneurs apply economic principles to crucial skills for their new jobs and for functioning in society in general. They use Excel to balance a checkbook by...
Baylor College
How Do We Use Water?
Send youngsters home to survey how they use water in their homes. Then bring them together to discuss which uses are essential for our health and which are not. A helpful video offers teaching tips for this lesson, and a presentation...
Institute for the Professional Development of Adult Educators
Using Context Clues with Signal Words
When you come across an unfamiliar word in a text, do you skip it and move on? Practice using context clues to identify words you don't know with a thorough set of language arts lessons. The resource reinforces close reading and critical...
Curated OER
How Do We Use Resources & Energy?
Students research the cost of energy waste. In this resources and energy instructional activity, students study statistics on the use of plastic bags and calculate the cost of making plastic bags. Students investigate how they can save...
Scholastic
Using Poetry to Explore Change and Belonging
Change, growth, and a sense of belonging are the focus of a unit that uses poetry to explore these themes and the distinguishing features of poetry as well.
American Chemical Society
Natural Resources and Synthetic Materials
All synthetic materials began as natural materials. An engaging lesson begins with a hands-on activity and an example of the type of research that scholars perform independently. Then pupils receive a topic and begin researching the...
Curated OER
Assessing Research Materials
Teaching learners how to evaluate a research source is an important part of the research process. The fresh idea here is that groups first develop a list of reasons why resources should be evaluated, transform these reasons into...
PBS
Copyright and Fair Use
When is using someone else's copyrighted material appropriate? Learn about copyright and fair use with a lesson from PBS.org. Scholars read through a reference sheet about authors' rights and users' rights, and then create posters for a...
Teach Engineering
Fun Look at Material Science
Introduce materials science with a class demonstration. After showing a PowerPoint presentation on materials and their properties, instructors provide a ceramic tile, a Popsicle stick, a paper clip, and a plastic bag as examples of...
Teach Engineering
Insulation Materials Investigation
Don't melt away! Pairs investigate different insulation materials to determine which one is better than the others. Using a low-temp heat plate, the teams insulate an ice cube from the heat source with a variety of substances. They...
College Board
2010 AP® Macroeconomics Free-Response Questions Form B
Currency depreciation, technology, an increase in the price of oil, or an increase in consumer spending have powerful impacts on an economy. Learners evaluate these effects using authentic materials from College Board. Other questions...
Teach Engineering
Exploring Variables While Testing and Improving Mint-Mobiles (for High School)
Mint candies are good for more than just one's breath. Using basic materials such as mint candies, straws, index cards, and Popsicle sticks, scholars create race cars that meet a given budget as well as design constraints. They perform...
Teach Engineering
Making Model Microfluidic Devices Using JELL-O
Nothing flows like J-E-L-L-O! In the final portion of a four-part series, pupils create scale models of microfluidic devices out of gelatin and bendable straws. They use their devices to test various flow rates in the delivery of...
Project WET Foundation
Use Water Wisely
What's the point in saving water? Surprisingly water isn't a forever resource because it is a natural resource. Here, young water conservationists hunt for 23 wise water users and water wasters by clicking on the people in the...
Council for Economic Education
Teaching Economics Using Children's Literature
Introduce young learners to the subject of economics using their favorite stories and books. Including 24 separate lessons, this guide covers economic principles such as trade, scarcity, consumer goods and services, renewable and...
King Country
Lesson 27: Resources & Review - Day 1: Resources
To conclude a unit on family life and sexual health (FLASH), class members use the skills they have practiced in previous lessons to develop strategies for getting information or help when they need it.
Curated OER
The Case of Vanishing Farmland
High schoolers consider decisions about how to use resources that are in short supply. Young scholars role-play different perspectives in a land-use simulation, and examine land use issues around the world. This interesting lesson sheds...
Curated OER
The BEAM Project: Building Efficient Architectural Models
Technology or engineering teams are given a task to design, construct, and test the efficiency of a structure that will foster an even temperature throughout an entire sunny day. Intended as a long-term project, pupils research, plan,...