Lesson Plan
Curated OER

Straight Graph Lines: Coordinates

For Teachers 5th - 7th
Students access prior knowledge of coordinates. In this coordinates lesson, students graph coordinate points to create a symmetrical figure and of a straight line. Students complete several practice examples.
Lesson Plan
Curated OER

Perimeter

For Teachers 5th
Fifth graders create math word problems. In this geometry instructional activity, 5th graders define perimeter and discover how to find the perimeter of a rectangle, a square and a regular polygon. Students write word problems on...
Worksheet
Curated OER

Effect of Transformations on Coordinates

For Students 9th - 10th
In this effect of transformations on coordinates learning exercise, students determine the coordinates of 4 geometric shapes on a grid after a given transformation.
Worksheet
Curated OER

Polygons

For Students 4th
In this polygons worksheet, 4th graders identify and name the 4 polygons drawn on the bottom of the worksheet and then draw a triangle, hexagon and a quadrilateral.
Lesson Plan
Curated OER

Coordinate Geometry

For Teachers 4th - 7th Standards
Grab your class and get them graphing polygons on a coordinate plane! They investigate the four quadrants, discover the x and y axis, and correctly plot ordered pairs. To show their comprehension, each child creates a coordinate picture...
Lesson Plan
Curated OER

Can You Build It?

For Teachers 2nd - 3rd
Learners investigate the concept of perimeter. They design there own figure and measure the perimeter of it. The lesson is given the context of the shape being a path that is traveled by a ladybug. This provides the shape of the plane...
Lesson Plan
Curated OER

CEENBoT Pictionary

For Teachers 8th - 10th
Define and review math vocabulary. Use the CEENBoT to draw pictures that represent each vocabulary word. Pupils work in groups to play math pictionary.
Activity
Curated OER

Introduction to Conics

For Teachers 9th - 11th Standards
Just exactly where does the name conic come from? This brief hands-on exploration explains it all. Have your class cut cones to create their own conics, then assess their understanding with a few identification problems. Consider making...
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
Lesson Plan
Curated OER

Transformations Using the Geometer's Sketchpad

For Teachers 8th - 9th
Students discover rules for single transformations, rules for composition of transformations, when a figure has transformation symmetry, and if a transformation is congruent to its preimage.
Lesson Plan
Curated OER

Polydron Fun

For Teachers 9th - 11th
Students 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 and...
Lesson Plan
Curated OER

Egg-streme Tesselation

For Teachers 6th
Sixth graders view a video of tessellating an egg shape. They focus upon the problem solving strategies used and how tessellation geometry was used to construct the three dimensional figure. They create their own tiling patterns.
Lesson Plan
Curated OER

THE AREA OF A CIRCLE

For Teachers 7th - 12th
Students examine the relationship between circumference and diameter and how to use the formula to find the area of a circle.  In this circle lesson students divide into groups and complete an activity. 
Lesson Plan
Curated OER

Grade 5: Testing for Tessellations

For Teachers 5th
Fifth graders use formal geometric language to describe polygons (and other shapes) that will tessellate the plane and those that will not. Students make generalizations about the characteristics of a polygon (or other shape) that will...
Lesson Plan
Curated OER

Exploring Characteristics Needed to Prove Two Trianlges Congruent

For Teachers 10th
Tenth graders explore congruent triangles.  In this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles congruent.  The lesson combines dry erase board activities and the use of technology.
Lesson Plan
Curated OER

Space Geometry

For Teachers 10th - 11th
Students explore points, lines and planes as it relates to geometry. In this geometry lesson, students analyze space and explain wy it is 3-D and not flat or 2-D. They solve problems involving volume and 3-D shapes.
Lesson Plan
Pennsylvania Department of Education

Making Cubes

For Teachers 3rd
Third graders explore vocabulary associated with three dimensional figures.  In this transformations lesson plan, 3rd graders create two dimensional nets for three dimensional figures.  Students become familiar with describing...
Worksheet
Curated OER

Reflection

For Students 9th - 12th
In this math instructional activity, students practice their skills in constructing reflections of shapes that are on a grid. This instructional activity has 13 problems for the students to solve, and includes an answer sheet.
Lesson Plan
Curated OER

Tessellations

For Teachers 5th - 8th
Students identify and construct figures that tessellate. They investigate which regular polygons tessellate and how to modify them to make other tessellating figures. Students explore how naturally occurring tessellations have been...
Lesson Plan
Curated OER

Graphing Data

For Teachers 8th - 9th
Students graph lines in a coordinate plane. For this geometry lesson, students graph lines on a coordinate plane, and identify the slope. They calculate the volume, area and perimeters of the shapes created on a coordinate plane.
Lesson Plan
Curated OER

The Area of a Circle

For Teachers 8th
Eighth graders find the circumference and diameter of several lids, show the relationship of the two measurements and derive the formula for finding the area of a circle. In this area of a circle lesson plan, 8th graders find...
Lesson Plan
Curated OER

Volume of Rectangular Prisms: Algebra/Geometry Institute Summer 2009

For Teachers 9th - 10th
Students find the volume of rectangular prisms.  In this volume lesson, students use a formula to find the volume of rectangular prisms.  They discuss the definition of volume and draw rectangular prisms.  Students...
Lesson Plan
Curated OER

Build Your Own Simple DC Motor

For Teachers 8th - 10th
Students, after brainstorming how we interact with some kind of motor every day in our lives, explore how to build their own DC motor. They collect all the parts needed for their experiment and review all safety precautions. In addition,...
Lesson Plan
Curated OER

Introduction to Fractals: Geometric Fractals

For Teachers 6th - 8th
Middle schoolers study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Middle schoolers complete worksheets based on...