EngageNY
Conditions for a Unique Triangle—Three Sides and Two Sides and the Included Angle
Building on the previous lesson in the 29-part series, the ninth lesson asks individuals to construct a triangle given specific criteria. First, they are given three specific side lengths, followed by two sides and the included angle....
EngageNY
Unique Triangles—Two Sides and a Non-Included Angle
Construct an understanding of triangle congruence through a visual analysis. Young scholars find that given two sides and a non-included angle, sometimes two possible triangles are produced. Their analysis shows that if the non-included...
02 x 02 Worksheets
Slope
What does slope have to do with lines? Pupils work with lines and determine the slope of the lines informally and with the slope formula. Groups use their knowledge to calculate the slopes of parallel and perpendicular lines. They also...
Missouri Department of Elementary
Character Clovers
Build a classroom community with a instructional activity that uses character clovers to examine scholars' roles. Following a whole-class discussion, participants list four roles they play and accompany it with the character traits that...
Curated OER
Using R&R to Teach Mathematics
Second graders create a shape garden. In this polygons lesson plan, 2nd graders practice making shapes using a geoboard and read the book The Greedy Triangle by Marilyn Burns. Students also design a shape garden using...
Curated OER
Introduction to Mathematical Modeling
In this mathematical modeling worksheet, students answer two essay questions. They describe Newton's Law of Cooling by describing and constructing a model and answering seven essay questions about the process.
Curated OER
Geometry: Cut, Construct, Think
Students identify the properties of polygons. In this geometry lesson, students cut out shapes try to construct polygons. Students analyze the shapes and fill out a table of characteristics.
Curated OER
Slopes for the Mathematically Inclined
In this slope learning exercise, 9th graders solve and complete 6 different problems that include completing charts and applying applications to the real world. First, they use the pictures shown to measure the riser and tread of 3...
Curated OER
The Mathematical Dynamics of Celestial Navigation and Astronavigation
High schoolers explore the different methods used in celestial Navigation and astronavigation. For this math lesson, students construct a sextant and demonstrate how it works.
Pennsylvania Department of Education
Using the Coordinate Plane in Problem Solving
Fifth graders practice solving problems. In this fraction and decimal lesson, 5th graders recognize the relationship between fraction and decimals. Students estimate problem results and write expressions to use for problem...
Curated OER
Equations in Motion: Design and construct a mobile
Students participate in a lesson that covers the concepts of solving equations and inequalities. To master the concept they must demonstrate visually and verbally how both sides of an equation must be balanced. They construct a balanced...
Curated OER
"Zero-ing" In On Integers
Young scholars add and subtract integers. In this integer lesson, students use models to demonstrte the addition and subtraction of integers. They describe zero pairs and write steps to add and subtract integers.
Curated OER
How many edges do I need to cut in order to open a cube?
Students problem solve to open a cube to create different shapes. In this problem solving lesson plan, students are given a cube and the shapes to open it up to, and they have to cut the cube open to make certain shapes. This gives them...
Curated OER
Pyramid in The Desert
Students investigate the Sierpinski triangle and calculate the ratio and area of the triangle. For this fractals lesson, students calculate parts of a Sierpincki triangle. They use Google Earth to help them construct the different parts...
Curated OER
Triangles in My Life
Tenth graders investigate where in the real world triangles are used. In this geometry lesson, 10th graders write an essay describing where in their lives triangles are used. They can use food, buildings, clothing or anything triangular...
Curated OER
Mathematics of Doodles
Learners use the slope and y-intercept to graph lines. For this algebra lesson, students graph linear equations and apply it to solving real life problems.
Curated OER
Graphing Sea Ice Extent in the Arctic and Antarctic
Students graph sea ice data and predict long term trends in the data. In this climate change lesson, students use sea ice data from the Arctic and Antarctic to construct line graphs. They use their graphs to predict the effects of global...
Curated OER
What's in Wetland Soil?
Students examine the organic and inorganic components of soil. In this environmental science lesson, students identify the factors that influence soil formation. They collect soil samples, conduct tests, and analyze the results.
Curated OER
Symmetry in My World
Second graders demonstrate understanding of symmetry and identify objects that have symmetry. They use a mirror to get a visual illustration of what symmetry is. They create a collage of symmetrical pictures they find in magazines.
Curated OER
Themes to Encourage Awareness of Environmental Changes on the Shoreline of Connecticut in Elementary School Students: The Case of Kelsey Island
Learners begin the lesson by developing a map of Kelsey Island by following specific instructions. In groups, they are given a block of ice in which they tie a rope around and drag over various rocks for different distances. They...
Curated OER
Energy In Our Lives
First graders investigate the use of energy resources in the community. Using the tools of research and surveys in order to gather information about home and business energy usage they analyze the information in order to come up with...
Curated OER
Tearing a Piece of Paper in Half
In this secondary mathematics worksheet, students investigate exponential growth as they predict the height of a stack of paper formed by tearing one sheet of paper in half over and over again for thirty tears. The one page...
Yale University
Airplane Mathematics
The history of aerodynamics is rich with experimentation and international collaboration. Author Joyce Bryant relays this dynamic past and provides math word problems using the formula of lift, the force that makes airplanes fly. She...
Virginia Department of Education
Exploring 3-D Geometry
Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on...