Curated OER
Displacement Reactions
Five metal samples are tested for their reactivity with different solutions. From the results they discover the order of reactivity for copper, iron, lead, magnesium, and zinc. Have your aspiring chemists perform this laborabory exercise...
Curated OER
Circulatory Systems
A slideshow that covers the all-important details related to basic human circulation. The reasoning for exchange of material methods is presented and then labeled diagrams of the main human transfer systems are shown, along with...
EngageNY
Applying the Laws of Sines and Cosines
Breaking the law in math doesn't get you jail time, but it does get you a wrong answer! After developing the Law of Sines and Cosines in lesson 33 of 36, the resource asks learners to apply the laws to different situations. Pupils must...
EngageNY
Solving Problems in Two Ways—Rates and Algebra
Build confidence by using multiple approaches to problem solving! This resource uses a visual and algebraic approach to solving application problems. A discussion is included about efficient approaches to different problems.
Howard Hughes Medical Institute
Spreadsheet Tutorial 5: Histogram
A professional-looking histogram is just a few clicks away. The last installment of a five-part Spreadsheet Data Analysis series focuses on histograms. Learners work through a tutorial to see how spreadsheets can help make frequency...
EngageNY
Modeling a Context from a Verbal Description (part 2)
I got a different answer, are they both correct? While working through modeling problems interpreting graphs, the question of precision is brought into the discussion. Problems are presented in which a precise answer is needed and others...
EngageNY
Overcoming Obstacles in Factoring
What do you do when factoring doesn't work? Learners complete the square when faced with quadratic expression that don't factor traditionally. They then use factoring by grouping to solve polynomial equations.
National Institute of Open Schooling
Radioactive Pollution
Radioactive pollutants can enter the body through ingestion, inhalation, absorption, or injection. The last lesson in a series of 36 introduces pupils to radioactive pollution. They study its sources, both natural and man-made, its...
EngageNY
Solving Percent Problems II
Fill in the blanks to find the best discount! Groups complete a table of amounts and percents associated with sale items. Classmates then find the original cost, sale cost, discount amount, paid percent, or the discount percent based...
West Contra Costa Unified School District
Solving a System by Substitution
Solving systems by substitution can be a challenging topic in algebra I. Here is a lesson that builds on students' understanding of intercepts to begin the process of substitution, and all work is reinforced graphically to build...
Curated OER
Contracts Review and Negotiation Exercise
Students study the three main concepts of contracts: Offer, Acceptance and Consideration. They negotiate a contract to get the best deal for themselves or their client and name several contracts that they have participated in.
Curated OER
Foodborne Illness Outbreak Investigation
Students demonstrate how epidemiological investigations of outbreaks are performed. They illustrate the principles of hypothesis formation and testing by epidemiologic study in the setting of an acute foodborne disease outbreak.
Curated OER
Mold Investigations
Students observe mold growth on bread. In this mold growth lesson, students place bread in various locations and in various conditions to investigate how location, moisture, temperature, and other variable impact the growth of mold on...
EngageNY
Dividing the King’s Foot into 12 Equal Pieces
Apply, apply, apply! A measurement lesson applies a number of concepts to help learn a new construction. Scholars learn to divide a segment into n equal parts using a method that uses the Side Splitter Theorem and a method that applies...
Curated OER
Do new kinds of insects appear after soil modification?
Students explore and experiment with the concept do new kinds of insects appear after soil modification. They assess and review scientific methods of observation, predicting, variables, math skills, ratio, proportions, graphs and the art...
EngageNY
Analyzing a Data Set
Through discussions and journaling, classmates determine methods to associate types of functions with data presented in a table. Small groups then work with examples and exercises to refine their methods and find functions that work to...
Curated OER
Adding and Subtracting Polynomials
For use with a TI-nspire calculator, this lesson focuses on adding and subtracting polynomials. Learners use calculator to add and subtract polynomials using both the vertical method horizontal methods. A class discussion follows the...
Curated OER
Setting the Story: Techniques for Creating a Realistic Setting
“It was a dark and stormy night.” Thus begins the 1830's novel Paul Clifford and, of course, all of Snoopy’s novels! Encourage young writers to craft settings for their stories that go beyond Edward Bulwer-Lytton’s often-mocked phrase...
Illustrative Mathematics
Throwing Baseballs
This is a wonderful exercise for learners to apply their critical thinking skills along with their knowledge of quadratic functions and parabolas. Young mathematicians investigate a real-world scenario about the height a baseball reaches...
EngageNY
Cones and Spheres
Explore methods for finding the volume of different three-dimensional figures. The 20th lesson in the 25-part series asks learners to interpret diagrams of 3-D figures and use formulas to determine volume. Scholars must use the...
EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Mental Math
Make math much simpler with mental math methods. The 16th installment in a series of 21 looks at ways scholars can apply mental math to convert division problems into easier problems with the same quotient. Multiplying or dividing both...
EngageNY
Solution Sets to Inequalities with Two Variables
What better way to learn graphing inequalities than through discovering your own method! Class members use a discovery approach to finding solutions to inequalities by following steps that lead them through the process and even include...
Curated OER
The Unseen Ocean Floor
Students build ocean floor structures, then map and model an unfamiliar ocean floor. They are introduced to bathymetry and sea floor features, and discover one of the most widely usd methods for studying the ocean.
Media Smarts
Looking at Food Advertising
Tony The Tiger, The HoneyComb Kid, The Nestle Quick Bunny. As part of a study of the methods advertisers use to sell foods and how this advertising effects their food choices, kids create their own spokescharacter and/or jingle for one...