National Security Agency
Systems of Equations and Inequalities
High school classes can use manipulatives too! Offer hands-on, interactive lessons that venture away from the typical day in your algebra class. Young mathematicians will be involved in collaborative learning, visual representations, and...
American Battlefield Trust
Antietam 360
It was the single bloodiest day in Civil War history. Now, class members have the opportunity to walk in the footsteps of soldiers who fought in the Battle of Antietam using an interactive website. Supplemental resources include...
Discovery Education
Jets in Flight
This Discovery Education activity provides the information needed to understand the basics of flight. Before taking off, young pilots learn the eight stages of the engineering design process. Small groups then design and build an...
US National Library of Medicine
Science and Society: Preventing the Spread of Disease
Looking for a valuable resource on the spread of infectious diseases? Here is a lesson in which pupils simulate the spread of diseases and learn about how to prevent them from spreading. Class members read case studies about diseases,...
University of Colorado
Phases of Charon
Pluto, although no longer considered a planet, has five moons. Pluto's moon, Charon, is the focus of a resource that describes how the moon is viewed from the surface of Pluto. Photos help individuals see how Charon would look at...
Channel Islands Film
Arlington Springs Man: Lesson Plan 3
Imagine being part of a team of scientists that discover the oldest human remains in North America. Imagine being part of the crew that documents this discovery. Class members get a change to be part of such an exciting adventure in a...
LABScI
Circuits Lab: Lightbulbs
Electrons flow from negative to positive, but the general consensus is that current flows from positive to negative. Scholars explore current through construction of circuits in both series and parallel. The focus is on voltage,...
LABScI
Acoustics: The Sound Lab
If the delay between a sound and its echo is less than 1/10th of a second, the human ear can’t distinguish it. Through the use of a Slinky, rubber band guitar, and straws, scholars explore where sound comes from and how it travels. Whole...
Curated OER
Law of Sines
Students solve problems using sine and cosine. In this precalculus lesson, students ask questions about the Law of sines and its application to the real world. They derive the correct formula of sine for each problem.
Curated OER
Decimal Bingo
Students use a copy of the Math Bingo Card and randomly copy solutions that is written on the board into each square. One at a time, teacher displays the math-problem "flash cards" that are prepared. Students solve the problem on that card.
Curated OER
Law of Sines and Cosines
Students solve problems using sine and cosine. In this precalculus lesson, students apply the properties of sine and cosine to solve non-right triangle problems. They use Heron's Law to find the area of a shape.
Curated OER
Law of Sine and Cosine
Students solve problems using the law of sine and cosine. In this precaclulus lesson plan, students learn the law of DeMoivre's Theorem and Heron's theorem. They use both theorems to solve problems.
Curated OER
Logic
Middle schoolers solve problems using reasoning techniques, identify the validity or non-validity of problems and use deductive reasoning for problem resolution.
Curated OER
Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Curated OER
Law of Cosines Practice
Pupils practice solving problems with non-right triangles. For this precalculus lesson, students define and identify the properties of the Law of Cosine. They solve problems and investigate the history behind Cosine.
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Curated OER
Math Jeopardy
Young scholars, in teams, play Math Jeopardy against each other as a way to reinforce their skills.
Curated OER
Caterpillar Connections
Third graders investigate numerical and geometric patterns and express them in words or numbers. In this algebraic reasoning lesson, 3rd graders analyze the structure of the pattern and how it changes or grows, organize information...
Curated OER
Fickled Fractions
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
Alabama Learning Exchange
The Very Hungry Class
Students listen to a read aloud of Eric Carle's, The Very Hungry Caterpillar, as an introduction to their study of the metamorphosis of a butterfly. They participate in a number of cross-curricular activities in this unit of lessons.
Curated OER
Visual and Number Patterns
Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...
Curated OER
Design a Better Classroom Workplace
Students design a new classroom workplace. For this architecture lesson, students use area formulas to identify the problem with the existing desks in their classroom. Students design their own solution volume formulas to solve the...
Curated OER
Real World Systems of Linear Equations
Students solve systems of equations with fluency. In this algebra lesson, students graph, use elimination and substitution to solve systems of equations. They identify the point of intersection using algebra.
Curated OER
Making Math Meaningful in March Madness
Middle schoolers examine the statistics of March Madness, the college basketball tournament. They watch videotaped basketball games to collect data for further analysis using Word and Excel. They analyze the data in a variety of...