Lesson Plan
Curated OER

Sharing Brownies: Fractions That Represent a Fair Share

For Teachers 3rd - 4th
Elementary graders discover the concept of fractional pieces of a whole. They investigate the meanings of fractions in everyday life and why they are used. Pupils divide brownies amongst each other to demonstrate the use of fractions...
Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2009 - Triangles and the Pythagorean Theorem

For Teachers 7th
Seventh graders find the perimeter and area of triangles.  In this finding the perimeter and area of triangles lesson, 7th graders find the perimeter and area of triangles given two sides.  Students find the missing side by...
Lesson Plan
Curated OER

The Trappings of Trapezoids

For Teachers 8th - 10th
Students define trapezoids and their shapes. For this geometry lesson, students calculate the area of a trapezoid and a parallelogram. They use Cabri software to make investigations.
Lesson Plan
Curated OER

Finding Patterns in Tiles

For Teachers 6th - 8th
Middle schoolers explore perimeter and area of rectangles. In this rectangular lesson, students use tiles to discover the formulas for perimeter and area. Middle schoolers solve for area.
Lesson Plan
Curated OER

Exploring Area and Perimeter

For Teachers 4th - 6th
Two learners are blindfolded and each receives a cardboard square, one with pompoms glued around the edge and one with pompoms glued all over the surface. They identify what they feel. The class discusses perimeter and area of polygons....
Lesson Plan
Curated OER

Geometry and Geoboard

For Teachers 6th
Sixth graders use geoboards and dot paper to experiment with geometric concepts. For this geometry lesson, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the...
Worksheet
Curated OER

Tricolore, the Flag of Italy

For Students 6th - 8th
In this reading comprehension worksheet, students read a passage describing the history of Italy's flag. Then they respond to six multiple choice questions based on the description they read. Students discover who chose the colors of the...
Lesson Plan
Curated OER

Elements of Art

For Teachers 3rd
Third graders discover elements in visual art. In this visual art lesson, 3rd graders explore the use of line, shape, and color in visual art. After reviewing works of art, students create unique art pieces. Technology resources provided.
Lesson Plan
Curated OER

An Introduction to Area and Perimeter

For Teachers 4th - 7th
Students form rectangles by using tiles, measure area and perimeter by counting. They discover and apply rules for measuring perimeter.
Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd
Third graders understand the perimeter by units and now find perimeter by addition. In this perimeter lesson, 3rd graders relate their prior knowledge to adding the sides of the perimeter by answering a series of questions.
Lesson Plan
Curated OER

Cover and Boarders

For Teachers 4th - 6th
Students find the area and perimeter of rectangular figures. They use this information to find patterns and discover relationships between area and perimeter. Students apply and explain formulas relating to perimeter, area, and volume.
Worksheet
Curated OER

Math Maven's Mysteries

For Students 5th - 7th
In these math word problem worksheets, learners help solve the mystery about 'The Case of the Shifting Shapes.' Students solve the problem by completing a rectangle area problem and also determine where Rex Tangle will appear next.
Lesson Plan
Curated OER

Connecting Formulas Related to Geometric Figures

For Teachers 8th - 12th
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
Lesson Plan
Curated OER

Discovering the Area and Perimeter of Triangles

For Teachers 8th
Eighth graders identify how to find the area and perimeter of rectangles and triangles. They discuss their understanding of area and perimeter and how the two concepts are applied in the real world. Finally, 8th graders determine the...
Lesson Plan
Curated OER

Mondrian: Rectangles, Squares, & Balance, Oh My!

For Teachers 2nd - 3rd
Pupils investigate the art of Piet Mondrian. They conduct Internet research, discuss Mondrian's artwork, play a computer game, and create an original work of art using Appleworks 6.
Lesson Plan
Curated OER

Scale Factor- Surface Area and Volume

For Teachers 9th - 10th
Young scholars calculate the surface area and volume of shapes. In this geometry lesson plan, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and...
Lesson Plan
Curated OER

Area Unit

For Teachers 9th - 11th
Students solve the area for parallelograms,squares, rectangles, trapezoids, and triangles. In this geometry lesson, students compare and contrast two dimensional shapes and apply their properties to solving real life scenarios. This is a...
Worksheet
Curated OER

The Theorem of Pythogoras

For Students 9th - 10th
In this geometry worksheet, students solve right angle triangles using the Pythagorean Theorem. They calculate the area and sides of triangles and circles. There are 52 questions total.
Lesson Plan
Curated OER

Multiplying and Dividing Fractions and Mixed Numbers

For Teachers 5th - 6th
Help math learners discover how to multiply fractions and mixed numbers. They will explore visual examples of the operations. They also practice solving problems that their instructor models.
Lesson Plan
Curated OER

Math and Architectural Design in Relation to Rebuilding The World Trade Center

For Teachers 7th - 9th
Students discover building plans and practice reading measurements.  In this architectural design lesson, students investigate the areas of the specific World Trade Center locations that need to be rebuilt and determine the cost....
Interactive
CK-12 Foundation

Solving Problems by Factoring: Building a Doghouse

For Students 8th - 10th Standards
Building a doghouse is easier with a little mathematical help! Young scholars use sliders to adjust the length of the doghouse and watch as it affects the width and area. They then answer questions that help them discover the question...
Organizer
Curated OER

Writing Organizers

For Teachers 5th - 12th
Eight graphic organizers to choose from? That's right! Each of these organizers relates to writing or reading. From narrowing a writing topic, to responding to literature, to planning a writing project, you'll find many purposes for...
Lesson Plan
Curated OER

In the Path of the Ancients: Unearthing Formulas for Area

For Teachers 9th - 12th
Students apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
Lesson Plan
Curated OER

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.