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858 resources with the concept 2-d shapes

Common Core Math: 3rd Grade
23 Item

Common Core Math: 3rd Grade

3rd
CCSS: Adaptable
Looking for all things third grade Common Core math? Here is the collection you've been waiting for! Third grade math curriculum is rigorous and opens up the doors to bigger algebra concepts that learners will use their entire lives. From multiplying and dividing to identifying polygons to telling time to naming parts of a whole, this collection can serve as a baseline for third grade math instruction. Each resource in the collection is designed to meet one or more of all 37 Common Core State Standards in third grade mathematics.
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Names of 2D Shapes Video

Names of 2D Shapes

3 mins 6th - 12th
CCSS: Adaptable
Two-d or not two-d? That's not really the question because the figures here are all two-dimensional. Learners identify the names of polygons, starting with triangles and ending with decagons. The video also describes circles and...
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Nets Video

Nets

5 mins 6th - 12th
CCSS: Adaptable
You've netted a great resource! Young mathematicians learn about the nets of three-dimensional solids by watching a brief video. The resource includes some test-taking tips on the topic for those studying for the GCSE.
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Classify Two-Dimensional Shapes Assessment

Classify Two-Dimensional Shapes

4th
CCSS: Designed
Four problems make up an assessment created to test learners' knowledge of two-dimensional shapes. Mathematicians observe shapes, list their attributes, and use a Venn diagram to classify them. A brief reflection piece closes the exam. 
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Three Dimensions in Two Dimensions: Lesson Video

Three Dimensions in Two Dimensions: Lesson

4 mins 6th - 11th
Slice up solids. A portion of a geometry playlist introduces two conventional ways to visualize 3-D figures in 2-D. The resource defines cross-sections and nets and provides examples of both.
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Area of Composite Shapes: Lesson Video

Area of Composite Shapes: Lesson

3 mins 6th - 10th
CCSS: Adaptable
To find the whole, add and subtract the pieces. A portion of a massive geometry playlist shows how to approach finding the area of a composite figure. The resource works with a couple different composite shapes to find their areas.
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Adding It All Up Lesson Plan

Adding It All Up

6th - 8th
CCSS: Designed
Analyze patterns to create a formula for the interior angle sum of polygons. Youth begin by drawing and triangulating polygons. They then record the number of triangles, number of sides, and total angle measures to help create their...
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Sorting Polygons Lesson Plan

Sorting Polygons

6th - 8th
CCSS: Designed
Compare and contrast polygons using Venn diagrams. A geometry lesson uses these diagrams to sort polygons by their characteristics. As the activity progresses, the complexity of the diagrams increases.
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Line 'Em Up Lesson Plan

Line 'Em Up

6th - 8th
Your learners will be lining up for more. Young mathematicians use a graphing calculator to explore the concept of plotting points on a coordinate plane. They play a Bingo-like game where they win if their plotted points are in a...
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Polygon Capture Lesson Plan

Polygon Capture

6th - 8th
CCSS: Adaptable
Identify all the figures that match the two criteria. The lesson plan consists of a game about the geometric properties of polygons. Pupils determine the figures that match an angle and a side criteria, and when no more can be matched,...
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Finding the Area of Irregular Figures—Area Formulas Lesson Plan

Finding the Area of Irregular Figures—Area Formulas

6th - 8th
CCSS: Designed
What's the easiest way of finding the area of an irregular figure? Take it apart! Young mathematicians analyze strange shapes and find the areas of them using an interactive lesson. Fourth and final in a series, the two-day activity...
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Security Cameras Lesson Plan

Security Cameras

9th - 12th
CCSS: Designed
Catch them in the act of problem solving! Young scholars become security personnel for the day as they use their geometry skills to determine the best placement for security cameras. Given rooms of different shapes, learners must...
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Triangle Classification Lesson Plan

Triangle Classification

9th - 12th
CCSS: Adaptable
Oh triangle, where are the points that will make your type? Given a line segment, pairs determine the location of a third point to create the six different types of triangles. The teacher provides a jumping off point by leading a...
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Tessellations Lesson Plan

Tessellations

9th - 12th
It's the same shape over and over again. Scholars learn about tessellations and how to create them. Using shape templates, they create their own tessellations.
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Area and Perimeter of Various Polygons Lesson Plan

Area and Perimeter of Various Polygons

9th - 12th
Let polygons guide thy quest. Individuals solve a set of challenge questions involving area and perimeter. The answers to these questions helps them find a hidden cup.
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Let's Tessellate Lesson Plan

Let's Tessellate

7th - 12th
CCSS: Designed
It's time to tessellate. Scholars use a computer to create tessellations of polygons and produce a colored printout of their creations. They also calculate the area and perimeter of the original shape.
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Geometrica Fights Back Lesson Plan

Geometrica Fights Back

9th - 12th
CCSS: Designed
Who killed the Circular family? Learners tackle an unsolved murder of the Circular family. Given a list of descriptions of the culprit, pupils narrow down their list of suspects to find the killer. The descriptions involve properties of...
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Welcome to Geometry Video

Welcome to Geometry

2 mins 6th - 10th
Geometry welcomes you. A short video in the Socratica Geometry playlist provides an overview of geometry. It explains some concepts and gives a brief history of geometry.
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Shapes and Solids of Constant Width Video

Shapes and Solids of Constant Width

9 mins 6th - 12th
Roll right along with an informative lesson that makes cents. Scholars learn that some shapes roll without any change in its width. The video in the Numberphile "Coins" series starts with two-dimensional figures, such as Reuleaux...
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Farm Printables Collection
11 Item

Farm Printables Collection

Pre-K - 2nd
Teach your class about the farm with the ABCmouse.com! This collection includes coloring pages, a word search, and color-by-numbers pages. Access these and thousands of other resources for Preschool through 2nd grade at www.ABCmouse.com/Teachers. Create your FREE ABCmouse for Teachers account to visit the ABCmouse farm—perfect for a virtual field trip!
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Slice of a Cone Assessment

Slice of a Cone

9th - 12th
CCSS: Designed
No matter how you slice it, this is an unparalleled resource. Scholars consider the two-dimensional cross section that results from horizontal slices of a cone. They also investigate how the height at which the slice is made affects the...
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Geometry: Visualize Relationships Between 2-D and 3-D Shapes Assessment

Geometry: Visualize Relationships Between 2-D and 3-D Shapes

9th - 12th
CCSS: Designed
Slice and dice like a master mathematician. Scholars determine and draw three possible cross-sections of a cube. Given a solid shape removed from a three-dimensional figure, they describe two viable original figures.
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2D Rotations of Triangles Assessment

2D Rotations of Triangles

9th - 12th
CCSS: Designed
Where does the line of rotation need to be to get a cone? Pupils respond to three questions involving rotating a right triangle about different lines. The scholars describe the solid created along with providing details about its...
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2-D Rotations of Rectangles Assessment

2-D Rotations of Rectangles

9th - 12th
CCSS: Designed
Turn 2-D into 3-D using a simple rotation. The resource contains two questions concerning the rotation of a rectangle about the x-axis and the y-axis. Pupils identify the resulting solid and provide information about the dimensions.
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