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Shodor Education Foundation
Pythagorean Theorem
Most adults remember learning about the Pythagorean theorem, but they don't all remember how to use it. The emphasis here is on developing an intuitive understanding of how and when to use the theorem. Young mathematicians explore...
Virginia Department of Education
Area and Perimeter
Develop a strategy for finding the area and perimeter of irregular figures. Building on an understanding of finding area and perimeter of rectangles and triangles, learners apply the same concepts to composite figures. After...
EngageNY
Why Move Things Around?
Explore rigid motion transformations using transparency paper. Learners examine a series of figures and describe the transformations used to create the series. They then use transparency paper to verify their conclusions.
Inside Mathematics
Graphs (2006)
When told to describe a line, do your pupils list its color, length, and which side is high or low? Use a worksheet that engages scholars to properly label line graphs. It then requests two applied reasoning answers.
Curated OER
Exploring Transformations: Translations and Reflections
Learners perform translation and reflection. They identify the coordinate points of the new graph and create a formula for the movement. They identify the pre-image the and after image.
Curated OER
What do two-dimensional tessellations look like? Where in art can they be found?
Students explore the world of art and culture, including the works of M.C. Escher. They identify and create original tessellations. Students use a wealth of interactive multimedia applications. They explore the artistic representations...
Curated OER
Identifying Lines: Horizontal, Vertical, and Oblique
Second graders identify horizontal, vertical, and oblique lines on a worksheet after learning them in class. They demonstrate a horizontal line with their arms while saying the word and use their arms with no talking to demonstrate...
Curated OER
Introduction to Fractals: Geometric Fractals
Students study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Students complete worksheets based on Geometric Fractals.
Curated OER
Tessellating Ceiling Tiles
Students transform polygons. For this tessellating lesson, students design a picture containing a translation and a rotation. They create a template of a translation or a rotation. Students tessellate and decorate a...
Curated OER
Circles
In this circles worksheet, learners fill in 6 fill in the blank statements about circles and solve calculate the answers to 13 questions involving different measurements of circles.
Curated OER
Transformations and Exponential Functions
Tenth graders study graphing exponential functions. In this transformations instructional activity, 10th graders apply inquiry to determine how changes to a parent function affect its graph. Students analyze transformed graphs and...
Better Lesson
Better Lesson: Geometry Shape Book
Third graders develop their understanding of the importance of different 2-dimensional shapes by finding real world examples.
Cuemath
Cuemath: Plane Shapes
A comprehensive guide for learning all about plane shapes with definitions, properties, types, solved examples, and practice questions.
ArtsNow
Arts Now Learning: Module K: Shapes
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...
ArtsNow
Arts Now Learning: Moving Shapes [Pdf]
These activities will allow students to discover the concepts of geometry through shape exploration and the creation of choreographic sequences.
University of Texas
Inside Mathematics: Sorting Shapes [Pdf]
This task challenges a students knowledge of 2-dimensional geometrical shapes to sort shapes and to design a shape that has a given set of attributes.
University of Texas
Inside Mathematics: Don's Shapes [Pdf]
This task challenges a student to demonstrate understanding of the attributes of two-dimensional shapes.
University of Texas
Inside Mathematics: Which Shape [Pdf]
This task challenges a student to use knowledge of geometrical attributes to identify and describe 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?
Other
Plane Math: Activities: Go Fly a Kite
Students work in groups to build their own kite. The activity explores estimation, geometry, measurement, and patterns. The resource consists of a lesson plan, group activity instructions, lesson overview, and an expert page.
Khan Academy
Khan Academy: Shapes on the Coordinate Plane
In this exercise, students practice identifying shapes on the coordinate plane. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Interactive Geometry: 2.1 Transformations in the Plane
Explore the process that changes the shape, size or position of a figure to create a new image, transformations.
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 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.