Lesson Plan
Curated OER

Geography: Lengths, Perimeter, and Area of Similar Objects

For Teachers 6th
Sixth graders explore characteristics of similar objects. Using attribute blocks, they explore the ratios of the perimeter, area and side length in similar shapes. They calculate and compare the area of shapes.
Worksheet
Curated OER

Using Shapes in Equations

For Students 4th
In this using shapes in equations worksheet, 4th graders solve 15 simple multiplication and division equations by finding the value of each geometric shape.
Worksheet
Curated OER

Area Calculations

For Students 5th - 6th
In this area worksheet, students calculate the area of figures and determine the length of x. A reference web site is given for additional activities.
Worksheet
Curated OER

Compare Area and Perimeter of 2D Shapes

For Students 5th - 6th
In this area and perimeter worksheet, students compare area and perimeter of pairs of figures, determining which has either the greatest area or perimeter. A reference web site is given for additional activities. 
Worksheet
Curated OER

Calculating Perimeter

For Students 5th - 6th
In this perimeter worksheet, students calculate the perimeter and find given values of 6 figures. A reference web site is given for additional activities.
Worksheet
Curated OER

Angles measure and classify

For Students 5th - 8th
In this angles worksheet, students measure angles with a protractor and figure out if it is acute, right, obtuse, or straight. Students complete 6 problems.
Lesson Plan
Curated OER

Recursion on a Calculator

For Teachers 10th - Higher Ed
In this math worksheet, students investigate repeated values on the calculator. They also read the explanation of the golden triangle and its proof.
Lesson Plan
Curated OER

Fractal and the Dragon Curve

For Teachers 11th - 12th
Students explore Fractal designs. In this geometry lesson, students observe the different polygons created in nature and relate it to math. They define polygons on planes and rotate polygons about a point.
Lesson Plan
Curated OER

Sculpture Shapes

For Teachers 3rd - 5th
Students reconstruct an ancient Greek sculpture using various geometric forms and explore different geometric forms. They create an abstract human form out of geometric shapes and create other representations out of the same shapes.
Lesson Plan
Curated OER

Toothpick Building

For Teachers 4th - 5th
In this math and logic worksheet, learners solve 2 problems in which they examine a picture of 5 squares in a particular formation. Students build this with toothpicks. Learners are instructed to move a specified number of toothpicks to...
Worksheet
Curated OER

Triple Integrals Over Solid Regions

For Teachers 11th - Higher Ed
In this math worksheet, students investigate a solid mass that is suspended. Then they find the integral to help define its placement in space.
Lesson Plan
Curated OER

How many edges do I need to cut in order to open a cube?

For Teachers 2nd - 4th
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...
Lesson Plan
Curated OER

Where has Polly Gone?

For Teachers 4th - 6th
Learners explore polygons and their uses in careers. They also discover polygons shapes in manmade objects and nature. They use their acquired knowledge to construct a strong structure using polygon shapes.
Lesson Plan
Curated OER

Balancing Act

For Teachers 2nd
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry lesson, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
Lesson Plan
Pennsylvania Department of Education

Volume of Regular and Irregular Objects

For Teachers 5th
Fifth graders examine patterns and relate to equations to solve math problems.  For this patterns lesson, 5th graders diagram, graph, use models and use tables to solve equations for real world problems.
Lesson Plan
Curated OER

Nature's Polyhedrons

For Teachers 9th - 12th
Students discover the characteristics of polyhedra. Through hands-on activities and interactive videos, students investigate and retrieve information on polyhedra and crystal structures. Students study angles and symmetry. They...
Lesson Plan
Curated OER

Transformations-Shapes on the Move

For Teachers 3rd - 8th
Young scholars examine transformations. In this math lesson, students view and describe flips, slides, and turns. Young scholars practice making transformations with shapes.
Lesson Plan
Curated OER

Geometry Flip Book

For Teachers 3rd - 5th
Students investigate the concepts of geometry that can be grouped into a flip book that can be used for teaching and review purposes. They define the differences between two and three dimensional figures. Also polygons are reviewed and...
Lesson Plan
Curated OER

Medieval Mathematicians and Whimsical Windows

For Teachers 3rd
Third graders demonstrate their mathematical knowledge of symmetry and reflection using congruent geometric shapes while working as an artist and mathematician looking at a medieval-styled stained glass window.
Lesson Plan
Curated OER

Duplicating Segments and Angles

For Teachers 10th
Tenth graders investigate geometric construction.  In this geometry lesson plan, 10th graders explore the procedure for copying an angle and a segment.  The lesson plan emphasizes the difference between a sketch, a drawing, and...
Worksheet
Curated OER

Twenty Volume Of Solids Problems

For Students 9th - 11th
In this volume worksheet, students solve twenty volume of various solids problems.  The solids examined include: cylinders, cubes, rectangular prism, including how the volumes of these figures change with increased in length. ...
Lesson Plan
Curated OER

Technology Integrated Lesson

For Teachers 8th - 10th
Students investigate symmetry in the real world. In this geometry lesson, students inter-relate math and technology. They create and name a variety of polygons.
Lesson Plan
Curated OER

Fun With Fractals

For Teachers 7th - 11th
Pupils use fractals to analyze nature. In this geometry lesson, students work in groups using technology and math to communicate. They identify where in the real world fractal can be seen.
Lesson Plan
Curated OER

Squares to Compare

For Teachers 3rd - 4th
Students investigate how to draw and classify two and three dimensional figures (squares, triangles, rectangles.)