Curated OER
"Sir Cumference and the First Round Table" by Cindy Neuschwander
Young scholars analyze characteristics of various 2 dimensional shapes and explore their properties and use various vocabulary terms to discuss geometric relationships.
Curated OER
The Value of Volume
Students measure the perimeter and area of their polygons. In this geometry instructional activity, students calculate the volume and area using the correct tools. They calculate the time and temperature and the perimeter and side...
Curated OER
New Boxes From Old
Learners find the volume and surface area of a rectangular box (e.g., a cereal box), and then figure out how to convert that box into a new, cubical box having the same volume as the original. As they construct the new, cube-shaped box...
Curated OER
Powerful Polygons
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Curated OER
Wrecked Angle
For this geometry worksheet, students answer questions about triangles and trapezoids as it related to the area of a shape. They make their own polygons and calculate the area.
Curated OER
Pent-up Pentominoes
Students explore pentominoes in this activity. They build shapes as directed and color the tiles on their grid sheet.
Curated OER
Boxes & Blocks: Square Play
Students add a new angle to block play with this spatial challenge. In this early childhood math lesson, students use creative-thinking, patterning, visual-spatial, and fine-motor skills to explore the different shapes that can be made...
Curated OER
The Good, The Bad, The Ugly
Sixth graders examine the causes of the stock market crash of 1929. For this integrated math/history unit on the stock market, 6th graders study, research, and read stocks, visit a local bank, and create a PowerPoint to show the...
Curated OER
Geogebra Basics
Students identify basic geometric shapes using Geogebra. For this geometry lesson, students work on a laptop as they explore different geometric shapes. They calculate the area and perimeter of triangles.
Pennsylvania Department of Education
Making Cubes
Third graders explore vocabulary associated with three dimensional figures. For this transformations lesson, 3rd graders create two dimensional nets for three dimensional figures. Students become familiar with describing two...
Curated OER
The Amazing Inch and Measuring Up!
Fifth graders study the metric and customary systems of measuring length with rulers, meter / yardsticks, and tape measures. They determine area of polygons and surface area and volume of three-dimensional shapes. They list as many...
Curated OER
Octagon Lesson Plan
Students investigate octagons using words and shapes. In this geometry lesson plan, students discuss the shape of an octagon using physical and symbolic models. They make conjecture about the shape and relate it to the real world.
Curated OER
Conics in Geometry
High schoolers analyze characteristics and properties of two and three-dimensional shapes in this geometry lesson. They follow detailed directions to use the Cabri Geometry II Application on their TI-89 calculator to construct a...
Creative Educator
Dream Room Design
Using the Twist™ application, elementary schoolers design their dream room. They follow the prescribed steps to calculate width, length, perimeter, and surface area in order to create a 2-dimensional representation of their dream room...
Curated OER
100 Patch Geometric Quilts
Students identify geometric patterns in quilts. In this geometry lesson, students view various types of quilts and identify the geometric shapes. Students construct one hundred patch paper quilts using geometric shapes.
Curated OER
Water Treatment Plant Tour
Students define vocabulary related to geometry and calculate the volume. In this geometry lesson, students calculate flow rates, and volume as it relates to a water plant facility. They calculate the volume of three dimensional shapes...
Curated OER
Sorting and Classifying Concrete Objects by Varying Attributes
First graders examine how to sort concrete objects by their attributes. In this sorting lesson, 1st graders listen to Gray Rabbit's Odd One Out by Alan Baker, and discuss the actions of the main character. They practice sorting objects...
Curated OER
Phenomenological Pizza
Students explore measurement in terms of pizza toppings. In this math lesson plan, students draw a circle using string and a ruler, determine areas of different size circles, find how many two topping pizzas can be made using 14...
Curated OER
Shadow Games
Young scholars create different shapes by putting light on different objects. They change the distance from the object, the light source and angles to make the shadows different. They are to describe the relationship between the light,...
Curated OER
Baseball Geometry
Students apply various methods for finding the volume and surface area of sphere. They compare and contrast results among these mathematical methods. They work in cooperative groups to discuss their results with one another.
Curated OER
Geometry and Spatial Sense
Learners investigate geometric shapes in 2 and 3 dimensions. In this geometry instructional activity, students create a model chocolate factory working in groups and using an actual cake. Learners take a quiz about...
Curated OER
Polydron Fun
Young scholars investigate nets as they relate to volume and area. For this geometry lesson, students use nets as a visual to deepen their understanding of surface area and volume of objects. They make conjectures about different objects...
Curated OER
NASA Satellite 'Sees' Carbon Dioxide
For this atmospheric carbon dioxide worksheet, students observe a map showing the concentrations of atmospheric carbon dioxide taken by the Atmospheric Infrared Sounder instrument. Students solve 4 problems using the map. They determine...
Curated OER
Creating a Midpoint Quad
Using a TI Navigator to drag quadrilaterals around to create different shapes, students learn how to draw midpoints in their quadrilaterals. In this geometry lesson, students solve problems using the properties of quadrilaterals.