Other
Nearpod: Transformations & Congruence
In this lesson on transformations and congruence, 8th graders will investigate dilations, rotations, reflections, and translations on the coordinate plane and the figures that result from these transformations.
Khan Academy
Khan Academy: Translate Shapes
Given a figure and a definition of a translation, draw the image. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Advanced Reflections
Find the reflection that maps a given figure to another and draw the image of a reflection. The lines of reflection in this exercise have a wide range of slopes. Students receive immediate feedback and have the opportunity to try...
The Math League
The Math League: Figures and Polygons
This website has basic definitions for most polygons, regular and irregular.
Math Is Fun
Math Is Fun: Area of Plane Shapes
The resource consists of area formulas and diagrams for a variety of shapes.
Science Struck
Science Struck: List of Different Types of Geometric Shapes
A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.
PBS
Pbs News Hour Extra: Poland Rebuilds After Plane Crash Decimates Government
The plane crash, in Smolensk, Russia, killing the Polish President, first lady and key figures in the Polish government, has created an enormous gap in the leadership of the country. This article, briefly discusses the country's reaction...
Texas Education Agency
Texas Gateway: Making Conjectures About Congruence Transformations
Given geometric figures on the coordinate plane, the student will apply the definition of congruence, in terms of rigid transformations, to identify congruent figures. The student will also identify and distinguish between reflectional...
National Council of Teachers of Mathematics
Nctm: Figure This: Does It Make a Difference Where You Shop?
A math investigation that uses scatter plots to compare prices of favorite soft drinks. Discover how valuable your skills in organizing and displaying data can be in real life scenarios.
Curated OER
Plane Figures
This site describes lines and angles "as found in various plane (flat) geometric figures.".
Curated OER
Plane Figures
This site describes lines and angles "as found in various plane (flat) geometric figures.".
Curated OER
Plane Figures
This site describes lines and angles "as found in various plane (flat) geometric figures.".
National Council of Teachers of Mathematics
Nctm: Figure This: Access Ramp
So, you're interested in becoming a civil engineer, builder, or landscaper? Then you'll need to sharpen your skills in measuring slope. Try this math challenge where you will discover how to measure the steepness of an incline.
ClassFlow
Class Flow: Geometry Polygons
[Free Registration/Login Required] This flipchart discusses plane figures and solid figures. The definitions and lesson sequence are based on Scott Foresman's Grade 4 Math textbook.
CK-12 Foundation
Ck 12: Defining Rotations
[Free Registration/Login may be required to access all resource tools.] In this tutorial, students learn about the rules that operate in the rotation of 2-D figures on a coordinate grid. Includes video, lots of examples, review...
Sophia Learning
Sophia: Translations of Geometric Figures: Lesson 1
This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 1 of 5 in the series titled "Translations of Geometric Figures."
Sophia Learning
Sophia: Translations of Geometric Figures: Lesson 3
This lesson will present how to translate a geometric figure on a coordinate plane, and will discuss how the properties of the figure are affected. It is 3 of 5 in the series titled "Translations of Geometric Figures."
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Despega Sin Despegar
In Spanish. In these activities you can develop the concept of trajectory. Try to trace the figures without lifting your pencil.
University of Texas
Inside Mathematics: Quilt Making [Pdf]
This task challenges a student to demonstrate understanding of the concept of two dimensional shapes and their properties.
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.
Scholastic
Scholastic: Max's Math Adventures: Max's Fantastical Zoo
Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.
Other
Crick Primary School: Shape Quiz
Students read the clues to determine the shape the clues are describing. If they choose the correct shape a smiley face appears.
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.
ArtsNow
Arts Now Learning: Self Portraits With the Touch of a Finger [Pdf]
In this lesson, students will explore self-portraiture by looking at classical portrait paintings, such as Diego Velazquez's La Infanta Margarita or Raphael's Portrait of Baldassare Castiglione. A close look at these works reveals...
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