Lesson Plan
Government of Hong Kong

Areas and Volumes - 2D Shapes

For Teachers 3rd - 6th Standards
Unfortunately for young mathematicians, the world isn't made entirely of parallelograms, triangles, and trapezoids. After first learning the area formulas for these common shapes, students apply this new knowledge to...
PPT
Curated OER

2D Shapes

For Teachers 1st - 2nd
This engaging presentation would be helpful for your young learners of geometry. Pupils are given clues as to what a shape may be, then they have to use those clues to guess what shape is being described. Shapes used are the circle,...
Worksheet
Curated OER

Area of 2D Shapes Homework

For Students 9th - 12th
In this geometry activity, students solve the area of 2D shapes starting with squares, rectangles, parallelograms, triangles, rhombi, trapezoids, circles, and ending with area of shaded regions. There are 20 questions.
Printables
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K-5 Math Teaching Resources

2-D Shape Cards

For Students K - 5th Standards
Add some visual support to your elementary geometry lessons with this set of printable shape cards. From triangles and squares to octagons and nanogons, this simple resource can be used in countless ways to develop children's knowledge...
Lesson Plan
Curated OER

Mining Shapes

For Teachers K
In this 2-D shapes lesson, kindergarteners review plane shapes attributes. They engage in a shape hunt in the classroom and create art using plane shapes. A good, hands-on lesson!
Worksheet
Curated OER

2D and 3D Shapes

For Students 2nd - 4th
In this geometry worksheet, students draw 6 different shapes as requested by 6 specific directives in the circles provided. Students draw 2D and 3D shapes.
Lesson Plan
Curated OER

Branding Circles, Squares, Rectangles, Triangles

For Teachers K
Compare and classify 2-D shapes! Kindergarteners inspect the attributes of plane shapes and examine shapes in everyday life. They label the circles, squares, rectangles, and triangles they find. This is the website where you can find the...
Lesson Plan
Curated OER

Third Grade Geometry

For Teachers 3rd
Third graders describe 2D and 3D shapes. For this geometry lesson, 3rd graders watch a PowerPoint presentation showing the terms used when analyzing shapes: vertex, edge, angle, side, and face. They compare shapes to see what they have...
Lesson Plan
Alabama Learning Exchange

Twisted Tangrams

For Teachers K - 4th Standards
Primary geometers create a picture using tangrams. In this geometry lesson plan, students read Grandfather Tang: A Tale Told with Tangrams, cut out their own tangrams, and choose a character from the story to make using their tangram...
Lesson Plan
Curated OER

Measurement: 2D and 3D

For Teachers 8th - 9th
Young scholars solve volume problems. In this geometry lesson, the class watches a video about clean water (link provided) and individuals compare the volume of different prisms, including an actual drinking glass. Extension activities...
Lesson Plan
Mathematics Assessment Project

Representing and Combining Transformations

For Teachers 8th Standards
Transform your learners into master geometers with an activity that asks them to first complete an assessment task drawing the result after transformation of a given shape in the coordinate plane. They then use cards to...
Worksheet
Curated OER

Three- and Two- Dimensional Geometry

For Students 7th
In this three- and two- dimensional geometry learning exercise, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of...
Lesson Plan
Curated OER

Ratios for Area and Volume

For Teachers 5th - 8th
In this ratios for area and volume worksheet, students solve problems where they find the ratios for problems of shapes dealing with area and volume. Students complete 4 problems.
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
Curated OER

Poly-Mania

For Teachers 9th - 12th
This hands-on lesson takes young geometers on a tour of 2D polygons and 3D polyhedrons. After exploring different web resources and discussing geometric shapes, small groups construct models of polyhedrons using bendable straws. Note:...
Lesson Plan
Curated OER

Powerful Polygons

For Teachers 2nd - 4th
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Lesson Plan
Curated OER

Coordinate Plane

For Teachers 10th
Tenth graders plot points on a coordinate plane. In this geometry lesson, 10th graders identify the different quadrants, plots points on a number line and coordinate plane and solve for the midpoint of line segments.
Lesson Plan
University of Texas

Inside Mathematics: Which Shape [Pdf]

For Teachers 2nd - 4th Standards
This task challenges a student to use knowledge of geometrical attributes to identify and describe shapes.
Lesson Plan
Scholastic

Scholastic: Setting the Stage With Geometry

For Teachers 6th - 8th Standards
Students will learn and reinforce skills for measuring perimeter and area of 2D shapes and measuring surface area and volume of 3D shapes.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Matching Equivalent 2 D Shapes

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on matching equivalent 2D shapes.
Lesson Plan
ArtsNow

Arts Now Learning: Module K: Shapes

For Teachers K Standards
In this series of STEAM activities, students will discover the concepts of geometry through shape exploration and the creation of choreographic sequences. Another activity in this module will allow students to identify shapes by applying...
Lesson Plan
ArtsNow

Arts Now Learning: Moving Shapes [Pdf]

For Teachers K - 1st Standards
These activities will allow students to discover the concepts of geometry through shape exploration and the creation of choreographic sequences.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Set of Figures

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying various 2D shapes in a set of figures.
Unit Plan
PBS

Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move

For Students 3rd - 5th
In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...