Lesson Plan
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Plotting Points

For Teachers 8th
Eighth graders practice plotting points on a coordinate plane. As a class, they create and label the parts of a graph. Given ordered pairs, they plot the points, connect them to reveal a particular shape, and find the area of the shape.
Lesson Plan
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Sketching Cylinders

For Teachers 9th - 11th
Learners create nets of cylinders. In this geometry lesson, students calculate the surface area of cylinders and other solids. They show their understanding of three-dimensional shapes by solving problems.
Interactive
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Have You Got the Angle?: Pre Test

For Students 4th - 8th
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
Worksheet
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Geometry

For Students 7th - 8th
In this line and angles instructional activity, students explore basic geometry vocabulary.  They classify polygons.  Students determine the area and perimeter of given shapes.  They examine the parts of a circle,...
Lesson Plan
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Perimeter

For Teachers 5th
Fifth graders create math word problems. In this geometry lesson, 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 finding the...
Lesson Plan
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This Building is Tall

For Teachers 9th - 12th
Pupils calculate the perimeter of shapes. In this geometry instructional activity, students relate properties of polygons to the real world. They find length, midpoint and slope.
Lesson Plan
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Prints and Outlines

For Teachers 1st - 2nd
Students determine the area of two objects by superimposing one on the other. They compare and order the area of different shapes by covering a larger shape with similar smaller ones. They complete these activities as different stations.
Lesson Plan
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Measuring with Mathematics

For Teachers 8th
Eighth graders discover how the change in the dimensions of a shape cause a change in the overall area of the shape, but the perimeter stay the same. They, in groups, go out to the playground and construct large areas using stakes and rope.
Lesson Plan
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Measurement: Lesson 2

For Teachers 4th
Fourth graders find the perimeter of a geometric shape by adding the lengths of the sides. They find the area of a square or rectangle by counting square units. Students use multiplication to find the area of a rectangle. They estimate...
Lesson Plan
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Tangram Perimeters

For Teachers 6th - 8th
Middle schoolers work together to make figures out of tangram squares. In groups, they calculate the measurements they need and apply the Pythagorean Theorem. They complete a worksheet solving equations using the theorem and review their...
Lesson Plan
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Polygonal Strings

For Teachers 6th
Sixth graders apply knowledge of how to calculate the area and perimeter of triangles. They determine why it is inappropriate to measure the area of land by its perimeter which is done in certain areas of New Guinea. They complete a...
Lesson Plan
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Triangle Explorer

For Teachers 3rd - 5th
Students calculate the area of triangles using a variety of materials including computer applets.
Lesson Plan
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The Old Chicken Run Problem

For Teachers 6th
Sixth graders apply problem solving strategies to work with a real life situation in which they need to determine the area. They determine the area of chicken runs that are rectangular in shape when give a partial perimeter.
Lesson Plan
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Care Homework #2

For Teachers 10th - 11th
In this Care Homework worksheet, students solve a variety of multiple digit addition, subtraction, multiplication, and division problems that include fractions, decimals, and percentages. They demonstrate knowledge of geometric formulas...
Worksheet
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Coordinates (4)

For Students 3rd - 5th
For this mathematical coordinates worksheet, students plot the points on a grid with six different sets of coordinates and a ruler to make six separate shapes.
Lesson Plan
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Animal Skin

For Teachers 7th - 8th
Students investigate the skin surface to body area ratios for different animals.  In this seventh/eighth grade mathematics/science activity, students explore heat transfer between an animal’s body and the environment.  Using...
Worksheet
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Battleship Game

For Students 5th - 8th
In this math worksheet, students work play a game that uses area and perimeter as the main concept. Then students complete the question for area and perimeter.
Interactive
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My Test Book: Geometry Skills 2

For Students 5th - 7th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding geometry skills. Students may submit their answers to be scored.
Lesson Plan
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Six Squares

For Teachers K - 6th
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...
Lesson Plan
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Give It a Whirl

For Teachers 3rd - 6th
Students examine and identify polyhedron shapes on a math website. They write journal reflections about two- and three-dimensional shapes, and transform a square into a pinwheel.
Worksheet
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Supplemental Algebra Problems

For Students Higher Ed
For this volume worksheet, students compute the volume of geometric shapes. Each problem is an application (or word) problem. Students are given the appropriate formula and dimensions of the shape. Two problems ask about surface area.
Lesson Plan
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Physical Education Meets Geometry

For Teachers 2nd - 3rd
Learners create geometric shapes with a jump rope. In this interdisciplinary lesson, students review the different shapes while getting some physical activity.
Lesson Plan
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The Calculus Whiz Who Owned a Box Company

For Teachers 10th - 12th
Students use the relationship between volume and surface area to construct a box out of a piece of paper that maximizes volume using a table and by using graphing and calculus techniques.
Lesson Plan
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Constructing Tangrams

For Teachers 7th
Seventh graders visualize and identify geometric shapes after applying transformations on a coordinate plane. In this tangrams lesson, 7th graders construct a set of tangrams and then answer extension questions related to measurement,...