Geometry Help
Geometry Help: Rectangles
Explains the basic concept of a rectangle with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Cuemath
Cuemath: Congruent Triangles
Explore the world of congruent triangles in this mini-lesson. Provides a definition and examples that help with understanding their properties. Includes a short video and practice questions with answers.
Math Open Reference
Math Open Reference: Trapezoid
Learn about trapezoids with this helpful reference tool. Provides a detailed definition, examples, and interactive activities that enhance further explanation. Includes links to related topics.
Cuemath
Cuemath: What Is Congruence?
Explore the world of congruence in this mini-lesson. Provides a definition and examples that help with understanding its properties.
Quia
Ixl Learning: Congruence
Brush up on your math skills relating to congruence then try some practice problems to test your understanding.
PBS
Pbs Learning Media: Math + Arts: Rotation, Reflection, and Translation in Dance
In this lesson, young scholars choreograph a dance figure by creating a dance graph with descriptions of rotation, reflection, and translation; perform it for their classmates; and translate a classmate's dance map into a performance....
Wolfram Research
Wolfram Math World: Semiregular Tessellations
This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.
Math Is Fun
Math Is Fun: Definition of Congruent
Definition of congruent. Choose the "here's more" link to see examples of a rotation, reflection and translation.
Mr. Martini's Classroom
Mr. Martini's Classroom: Teacher's Figure Library: Geometric Figures
This interactive resource provides an example picture of the geometric figure chosen by students to review.
Other
Polyhedra: The Five Platonic Solids
A brief site that includes some activities to understand the figures.
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Recortando Geometria
In Spanish. In this site you will find different activities involving geometric plane figures.
Varsity Tutors
Varsity Tutors: Aplus Math: Geometry Hidden Picture (Non Java)
Uncover the hidden picture by correctly matching geometry terms to their corresponding diagrams. This fun interactive online game will have your students asking to practice their math!
ClassFlow
Class Flow: Pentominoes
[Free Registration/Login Required] Students use geometric sense to create congruent shapes and figures in multiple orientations using transformations.
ClassFlow
Class Flow: Transformations
[Free Registration/Login Required] In this flipchart, students apply multiple transformations to create congruent and similar figures in any or all of the four quadrants. Students apply their geometric sense by using multiple...
Free Math Help
Free Math Help: Trapezoids
The lesson discusses trapezoids. The resource consists of an explanation, diagrams, and practice problems with solutions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Congruent Angles
Find a quick, concise explanation of Congruent Angles. An example is given and clearly explained.
ClassFlow
Class Flow: Congruency
[Free Registration/Login Required] Here are many variations of congruent triangles displayed for students to test their knowledge.
ClassFlow
Class Flow: Congruent Triangles, Bi Conditional Statements
[Free Registration/Login Required] This flipchart contains an introduction to congruent triangles. It also introduces logic (p->q) including bi-conditional statements. A challenge is presented to students.
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.
Math Is Fun
Math Is Fun: Congruent
The resource investigates congruent shapes. Examples and definitions are included.
Shmoop University
Shmoop: Basic Geometry: Basic Shapes & Angles
The geometry resource explores basic shapes, lines, and angles. Descriptions, examples, and practice problems are included.
Shmoop University
Shmoop: Basic Geometry: Quadrilaterals
The geometry resource explores quadrilaterals. Descriptions, examples, and practice exercises are included.
Shmoop University
Shmoop: Basic Geometry: Angles in a Polygon
The geometry resource explores angles in a polygon. Notes, examples, and practice problems are included.
Math Is Fun
Math Is Fun: Congruent Angles
Students learn about congruent angles. A definition, example, and tips are included.