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National Security Agency
Awesome Area - Geometry and Measurement
Break out those math manipulatives, it's time to teach about area! Capturing the engagement of young mathematicians, this three-lesson series supports children with learning how to measure the area of squares, rectangles, and other...
Curated OER
Shape Hunt
Students photograph shapes around their school and create a shape movie. In this shape hunting lesson, students recognize shapes in a shape hunt. Students can identify the shapes recorded by others in the class.
Curated OER
Volume and Surface Area: Which Is More?
Learners explore the volume and surface area of three dimensional figures. Through the use of video, students discover three dimensional shapes, their uses in real-life applications, and methods used to calculate their volume and surface...
Curated OER
The Amazing Inch and Measuring Up!
Fifth graders study the metric and customary systems of measuring length with rulers, meter / yardsticks, and tape measures. They determine area of polygons and surface area and volume of three-dimensional shapes. They list as many...
Curated OER
Shapes (Geometric)
Second graders explore geometric shapes. In this lesson about geometry, 2nd graders create their own vest using geometric shapes. Students work with a partner and fit their partner for the vest they design. Students understand geometric...
Curated OER
Flexible "Glass" Sculpture
Older artists create 2-dimensional surfaces with paint, then use these paintings as the components of a 3-dimensional sculpture. They assemble a free-standing sculpture that may be viewed from any angle by using wire to create the shape....
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
EngageNY
Truncated Cones
Learners examine objects and find their volumes using geometric formulas in the 21st installment of this 25-part module. Objects take the shape of truncated cones and pyramids, and individuals apply concepts of similar triangles to find...
DiscoverE
LIDAR: Mapping with Lasers
We would be lost without maps! How are they made? Introduce junior topographers to LIDAR technology with a fascinating activity. Set up a mock city, then have learners operate a laser measure to determine the shape of the landscape using...
Virginia Department of Education
Surface Area and Volume
Partners use materials to wrap three-dimensional objects to determine the formula for surface area. The groups use an orange to calculate the amount of peel it takes to completely cover the fruit. Using manipulatives, individuals then...
Curated OER
Figurative Slot Sculptures
Middle schoolers create 3-dimensional works of art in the form of slot sculptures. I love this lesson, because it exposes middle schoolers to a completely different form of art. Everything you need to do to successfully-implement this...
California Academy of Science
Fish Forms
I've said it before, and I'll say it again, you can add art to any lesson! While little learners are discovering why fish have specific body parts such as, scales, fins, and gills, they start making three-dimensional fish forms. Children...
Curated OER
Conics in Geometry
High schoolers analyze characteristics and properties of two and three-dimensional shapes in this geometry instructional activity. They follow detailed directions to use the Cabri Geometry II Application on their TI-89 calculator to...
Curated OER
Math, Music and Architecture: Kindergarten Geometry and Aesthetics in Music and Architecture
Students identify and name different geometrical shapes. In this math lesson plan, students distinguish odd from even numbers. They describe the properties of 2 and 3 dimensional objects.
Virginia Department of Education
Geometry and Volume
The history of math is fascinating! Utilize a woodcut primary source image from 1492 and posters from the 1930s to help geometers apply their volume-calculation skills to real-life questions.
Curated OER
Becoming One With Clay: Pinch Pots
Explore the making of a pinch pot using this resource. Learners discuss the properties of clay, including its molecular structure. Then, they make their own clay pot. As they work, they identify the techniques used to make a pinch pot,...
Curated OER
Halves and Fourths
Young mathematicians may not love fractions, but do they love sandwiches? How about cake? Use this visual fractions activity to represent fractions in a relatable way. Scholars start by coloring segmented shapes to indicate halves and...
Curated OER
Paper Maché Mancala Game Boards
Seventh graders create three dimensional works of art from two dimensional plans, develop skills in papier-mach?? technique, utilize elements and principles of design to create 3-D form, and develop math/strategy skills in playing the...
Alabama Learning Exchange
Dog Gone Again!
Here is a real-life lesson plan! Learners must plan the dimensions of a rectangular fence to reign in a runaway dog. They survey what shape and size fence is needed and use formulas to find perimeter and area of the fence. They explore...
Curated OER
Tomato Exploration
Create tomatoes in 15-20 minutes using this fun and interactive lesson plan! Learners listen to a book about tomatoes (recommendations listed), and focus on the vocabulary word tomato. They count the syllables...
Curated OER
Papier-Mâché Globe
Paper mache projects are great for using up paper from the recycle bin. Give your class the chance to create a three-dimensional globe out of paper mache. They'll work to make their globes as accurate as possible, adding proper colors...
Curated OER
Balancing Act
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.
Curated OER
Super Shapes Part 2 - Circles
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...