EngageNY
Recognizing Equations of Circles
What does completing the square have to do with circles? Math pupils use completing the square and other algebraic techniques to rewrite equations of circles in center-radius form. They then analyze equations of the form x^2 + y^2 + Ax +...
EngageNY
Changing the Base
I can't calculate a base-2 logarithm since my calculator doesn't have a base-2 log key. Young mathematicians use the change of base formula to extend the properties of logarithms to all bases. Among these bases is the natural log base,...
Curated OER
Problem Solving Through Communication
Students discuss effective ways to solve and communicate problems. In this word problem lesson, students solve a variety of word problems written by varying authors. They rewrite words using algebraic terminology.
Curated OER
The Chemistry of Water / Industrial Waste at My High School
High schoolers gain factual knowledge of the nature of industrial waste at on their school site. They gain process knowledge of the laboratory techniques and collection procedures for wastewater samples.
Curated OER
Factoring Trinomials
Students factor trinomials correctly. In this algebra lesson plan, students review the rules for factoring trinomials. They factor different polynomials as they relate the same concept and idea to facoring trinomials.
Curated OER
Character Development Through Song
Students use songs to analyze their sense of identity and self-worth. In groups, they discuss and explore their own character development and discover how far they have come in recent years. They also identify the positive and negative...
EngageNY
Advanced Factoring Strategies for Quadratic Expressions (part 2)
What do you do with a difficult-to-factor quadratic expression? This lesson plan provides the answer. Pupils learn a grouping strategy to help factor trinomials. When guess and check seems too tedious, this method is the "works...
Curated OER
Synthesizing Content on a Continuum: Developing Effective Communication
Students take a short quiz on what they already know about HIV/AIDS. In groups, they read an article on the disease and place the information from it on a timeline. They role-play different scenerios in which they have written the...
Curated OER
Simulating the Effects of Biodegradable Wastes on Dissolved Oxygen
Students evaluate the relationship between biodegradable waste and dissolved oxygen in water. In this biodegradable wastes lesson students complete a lab activity in groups then analyze their results.
Curated OER
Interrelationships Within the Marine Community
Fourth graders create an electronic story showing the interrelationship of species within the marine environment. They utilize the educational software, 'Destination Ocean' during this engaging lesson.