Curated OER
Perimeter, Area and Volume
Middle schoolers compute area. In this perimeter, area and volume lesson, students examine given objects and determine the perimeter, area, and volume of each.
Curated OER
What are Fractals?
Middle and high schoolers identify and analyze fractals and research information using the Internet to locate information about them. They look at fractals in relation to nature and other real world situations. Pupils create several...
Curated OER
Grade 3 Math Practice
In this grade 3 math worksheet, students complete a total of 10 questions that use a variety of grade 3 concepts. Page is part of a site with links.
Curated OER
Creating a "Concrete" Spreadsheet
Students create a spreadsheet that calculate the amount of concrete needed to pour various concrete forms.
Curated OER
Family Activity: Triangles and Quadrilaterals
In this triangles and quadrilaterals learning exercise, students solve 7 short answer problems. Students find objects around the house that are constructed from triangles, parallelograms, trapezoids, squares, rectangles. Students sketch...
Curated OER
Effect on Surface Area and Volume
Students identify the effect the change of dimensions causes for the volume and surface area. In this geometry lesson, students compare perimeter, area and volume as they play around with the dimensions of the polygons. They discuss...
Curated OER
Geo Jammin' By DeSign - Day 3, Lesson 12: Jammin
Learners review definitions of word wall words using songs, movement and sharing.
Curated OER
Angles and Parallel Lines
Sixth graders draw parallel and intersecting lines to observe and examine the characteristics of alternate interior angles, vertical angles, corresponding angles, and supplementary angles. Through observation, they discover the...
Math Is Fun
Math Is Fun: Regular 2 D Shapes
This tutorial provides illustrations for regular 2-D shapes as well as a definition for polygons and for regular polygons.
E-learning for Kids
E Learning for Kids: Math: Market Place: 2 D Space
At the Food Market there are a lot of shapes. Help Afia find and name the shapes.
E-learning for Kids
E Learning for Kids: Math: Music: 2 D Shapes
Kyan is an African villager. Can you help him name and define different parts of shapes?
NumberNut
Number Nut: Shapes, Symbols, and Colors: 2 D Shapes
Did you know that two-dimensional shapes are also called polygons? This lesson describes the various 2-D shapes and includes two interactive games to reinforce skills.
CK-12 Foundation
Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Composite Figure
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting basic two dimensional shapes in a composite figure.
CK-12 Foundation
Ck 12: Elem Math: Counting Different 2 D Shapes Within Complex Composite Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting two dimensional shapes in a complex composite figure.
CK-12 Foundation
Ck 12: Elem Math: Counting Different 2 D Shapes Within Simple Composite Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to dientify various two dimensional shapes within a composite figure.
CK-12 Foundation
Ck 12: Elem Math: Matching Equivalent 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on matching equivalent 2D shapes.
CK-12 Foundation
Ck 12: Elem Math: Counting the Number of Basic 2 D Shapes in a Set of Figures
[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.
E-learning for Kids
E Learning for Kids: Math: Group of Pyramids: 2 D Shapes
Abeni works at the pyramids. Visit her and find out more about circles and triangles.
Khan Academy
Khan Academy: Rotate 2 D Shapes in 3 D
Practice your 3D visualization skills by rotating 2D shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Symmetry of 2 D Shapes
Analyze various shapes according to their reflective and rotational symmetries. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move
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...
Better Lesson
Better Lesson: Tree Mapping in 2 D
Identifying 2D shapes in common objects and sorting according to shapes connects the real world to learning shape names and attributes.
PBS
Pbs Learning Media: Making Rock Candy
In this video segment from Cyberchase, two friends make rock candy while learning about 2-D and 3-D shapes.
PBS
Pbs Mathline Lesson: Geometry, It's a Perfect Fit [Pdf]
This two-part geometry lesson plan has students identify, describe, and classify two-dimensional shapes. Students engage in hands-on activities including identifying shapes in the classroom, creating patterns with shapes, identifying...