EngageNY
Solving Equations Involving Linear Transformations of the Coordinate Space
Explore methods for solving linear systems with your classes and introduce learners to using matrices as a viable method. Scholars are able to recognize situations where matrices are the efficient method of solving. Application...
Willow Tree
Solving Quadratic Equations
Polynomials are full of solutions! Learners understand that the degree determines the number of solutions. Examples show quadratic equations solved by factoring and by using the quadratic formula. A cubic equation is even mixed in for...
Willow Tree
Angles Formed by Transversals of Coplanar Lines
Create a strong understanding of the relationships formed when parallel lines intersect a transversal. Discuss each type of angle pair and their relationship to each other.
EngageNY
Definition of Congruence and Some Basic Properties
Build a definition of congruence from an understanding of rigid transformations. The lesson asks pupils to explain congruence through a series of transformations. Properties of congruence emerge as they make comparisons to these...
Curated OER
Snow Day
It's a snow day, and two brothers attending schools with different schedules each got a late start to the day. But who had the shorter school day? That's what your class will find out as they apply their knowledge of fractions to this...
Willow Tree
Circle Graphs
Pie isn't just for eating! Scholars learn to create pie charts and circle graphs to represent data. Given raw data, learners determine the percent of the whole for each category and then figure out the degree of the circle that percent...
EngageNY
Conversion Between Celsius and Fahrenheit
Develop a formula based upon numerical computations. The 31st part of a 33-part unit has the class determine the formula to convert a temperature in Celsius to a temperature in Fahrenheit. They do this by making comparisons between the...
Curated OER
Investigating Evolutionary Questions: Bats, Whales, Reptiles, Birds, Animal Classification
Students are guided through a process in which three questions are addressed by retrieving beta hemoglobin sequences from online databases, and using online tools to compare those sequences in student-selected animals.
Curated OER
Comparison of Human and Chimpanzee Chromosomes
Students actively engage in the careful analysis of chromosome banding patterns and identify examples of inversion in homologous chromosomes.
Curated OER
Plate Tectonics
Students identify the three layers of the earth: core, mantle and crust. They demonstrate knowledge of the concepts of convergent and divergent motions of the earth and an understanding of plate tectonics.
Curated OER
One Size Fits All?
Students describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...
Messenger Education
Cooling with Sunshades
Messenger's sun shade measures 8 ft x 6 ft and will have temperatures reaching 700 degree Fahrenheit on the outside while maintaining a cool 70 degrees underneath. In the third activity of four, groups discuss the basic properties of...
Curated OER
Molecular Biology and Primate Phylogenics
By counting differences in amino acids, biology stars examine the relationships between different primates. With information gleaned, they map out a phylogenic tree and discover common ancestry. You will need to create printable versions...
Curated OER
Properties of Matter
Third graders explore forms of matter through reading, hands-on science activities, and research using the Internet. Students create a booklet, directions given, that they title and decorate, to later serve as a review visualization...
Curated OER
Discovering Pi/Welcome to Pi Day
Students explore pi. In this circle measurement instructional activity, students define and identify radius, diameter, circumference, and perimeter. Students work in groups to measure several plastic lids and record their findings....
Curated OER
The Cytochrome-C Lab
Students examine a method biologists use to try to determine relationships. They examine how amino acid sequences have been determined for a number of proteins, and how scientists can make inferences about DNA based on the amino acid...
Curated OER
Exploring Geometry on the Sphere
In this geometry worksheet, students define important vocabulary dealing with circles. They measure cricles to the nearest degree. There are 11 word problems to be solved.
Curated OER
Cold War Conflict in Vietnam: The Vietnam-Era Presidency
Comparing and evaluating various media types is a great way to build critical analysis skills. Learners read about the Vietnam era presidency, specifically the foreign policy established by Johnson and Nixon. Then they compare several...
Curated OER
Island Biogeography and Evolution
Pupils develop likely phylogenies for seven related populations of lizards living on the Canary Islands using real data. They organize charts, and record the data for geography, geology, morphology, and molecular genetics.
Curated OER
Striking a Deal
Students explore the economic repercussions of a potential Major League Baseball strike. Then, through researching other labor strikes in American history, students consider the importance and impact of labor unions in United States...
Curated OER
Molecular Biology and Primate Phylogenetics
Pairs of high school biologists compare amino acid differences in the beta hemoglobin of different primates. They use the information collected to construct a phylogenic tree. Follow-up discussion questions are provided. This is a...
Curated OER
Case Studies: Cross-Cultural Comparison
Students examine maps of Lebanon, Vietnam and Nigeria, discuss relationship between ethnicity, land and conflict, review material from case studies, complete comparison chart, and write essays comparing two of the case studies.
Curated OER
Temperature Comparisons
Students practice plotting temperature data points on a line graph in groups and examine the temperature differences at the same time of year. They graph the temperatures in Lannon, WI, and Mitchell's Plain, SA. After the data has been...
Curated OER
Art Careers: Interior Decorator
Students redesign specific areas of their school using interior design techniques, magazine ideas, and cooperative learning groups in this middle and high school level lesson. Emphasis is on examining the career opportunities in interior...