Curated OER
Searching for Angles and Lines
Students work to find and reinforce concepts related to lines and angles. They identify the characteristics of shapes that have one, two, and three dimensions. The students also work on definitions related to the geometry of shapes.
Curated OER
Exploring the Definition of Reflection
Pupils practice using a protractor and ruler to draw various points and lines. Using a computer, they draw the points and lines in the program and describe the differences between their drawing and the computer's drawing. They complete a...
Curated OER
Track Traces
Students explore animal characteristics by participating in an animal anatomy activity. In this animal tracks lesson, students identify the differences between specific animals and the shape of their footprints. Students utilize a...
Curated OER
Transformation Trio
Learners identify the transformation and rotation of polygons. In this geometry instructional activity, students use picture to perform rotation, reflection and transformation. They identify the coordinate points of the new transformation.
Curated OER
Six Squares
Students create different shapes on grid paper. In this two-dimensional geometry lesson, students take turns outlining a shape made of six squares on the graph paper. They identify all shapes they see once everyone has had a...
Curated OER
Crop Circles
Students calculate the area and circumference of a circle. In this geometry instructional activity, students solve word problems with circles and create formulas to calculate the area. They find the rate and complex area of a circle.
Curated OER
Surface Area of Rectagular Prisms
Sixth graders investigate the area of polygons. In this geometry lesson, 6th graders calculate area of prisms using geometric formulas. They work with prisms and other rectangular shapes.
Curated OER
Paper Bag Skits
Students discover math measurements by creating a skit with classmates. For this geometry lesson, students utilize objects in a paper bag and index cards to create a short skit focusing on debate over the size of the objects....
Curated OER
Geometric Figures and the Coordinate Plane
Sixth graders explore geometric figures. In this geometry lesson plan, 6th graders manipulate properties and relationships of geometric figures to identify objects on the coordinate planes and describe where figures sit on the planes.
Curated OER
Angle Land and Angle Aerobics
Sixth graders investigate different types of angles. In this geometry activity, 6th graders use a protractor to identify acute, obtuse, and straight angles.
Curated OER
Sketch Up
Students estimate and measure exact. In this geometry lesson, students create different object in three-dimensional pattern. They use SketchUp to create their shape and perform measurements on their shapes.
Curated OER
How to Implement Project Based Learning to Engage Students
Can a math teacher employ project-based learning? Learn how one great math teacher uses PBL to design math projects that provide learners with a more challenging and holistic learning experience. A wonderful article, that includes...
Curated OER
Building Shapes From Numbers
Learners experience how to illustrate some of the many connections between number and geometry. Through this 2-3 day focus on square numbers and triangular numbers, students make connections among mathematical topics.
Curated OER
Sizing Up the Supersize Croc
Young scholars examine and compare traits of humans and crocodiles. In this crocodile lesson plan students use a ratio to estimate the height of a person and compare that to a crocodile.
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
Three In a Row
Sixth graders examine how to locate coordinate points. In this coordinate graphing lesson, 6th graders locate the x and y axis. Students use their arms to show horizontal and vertical lines, participate in group and...
Curated OER
Counting Triangles
Sixth graders examine triangles in a figure. In this geometry lesson plan, 6th graders establish a method for counting triangles within a given figure. Students discover that the total number of triangles is the sum of all numbers counted.
Curated OER
Pythagoras's Theorem
Students explore Pythagoras' Theorem. In this geometry lesson, students complete 4 pages of equations using Pythagoras's Theorem. Students complete 14 problems.
Curated OER
Investigation-On the Surface
Students compute the surface area of 3 geometric solids to determine the shape of package that would require the least amount of paper to wrap. In this geometry lesson, students work on a two-question assessment embedded in the plan. The...
Bowland
Sundials!
Time to learn about sundials. Scholars see how to build sundials after learning about Earth's rotation and its relation to time. The unit describes several different types of possible sundials, so choose the one that fits your needs — or...
Curated OER
Storm Clouds-- Fly over a Late Winter Storm onboard a NASA Earth Observing Satellite
Students study cloud data and weather maps to explore cloud activity. In this cloud data activity students locate latitude and longitude coordinates and determine cloud cover percentages.
Education Development Center
Finding Parallelogram Vertices
Four is the perfect number—if you're talking about parallelograms. Scholars determine a possible fourth vertex of a parallelogram in the coordinate plane given the coordinates of three vertices. They read a conversation...
National Council of Teachers of Mathematics
Scale Factor
Does doubling mean everything doubles? Learners adjust the scale factor between two rectangles. Using the calculated measurements, pupils investigate the ratios between the lengths, perimeters, and areas of the rectangles.
Curated OER
Geometry and Symmetry
Pupils examine tessellations and their geometric properties. The instructional activity and discussions may be used to develop students' understanding of polygons and symmetry as well as their ability to analyze patterns.