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PBS
Pbs Mathline: Bubble Mania Lesson Plan [Pdf]
Determine the area, diameter, and circumerfence of a bubble residue by creating a soap solution and blowing bubbles.
McGraw Hill
Glencoe: Self Check Quizzes 2 Polygons and Tessellations
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of polygons and tessellations. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...
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.
National Council of Teachers of Mathematics
Nctm: Illuminations: Cutting Corners
Students will use their knowledge of plane figure attributes to create and view shapes by cutting and rotating shapes to stimulate discussions on names and attributes of various shapes they do not regularly encounter.
Cuemath
Cuemath: Euclidean Geometry
Explore the world of Euclidean geometry by understanding euclidean and non-euclidean geometry, the postulates and axioms, and how to apply them while solving problems. Check-out the solved examples for better understanding and try your...
OER Commons
Oer Commons: Exploring Cross Sections
Students will explore the cross-sections that result when a plane cuts through a rectangular prism or pyramid. Students will also see examples of cross-section cuts in real-world situations.
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?
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.
National Council of Teachers of Mathematics
Nctm: Illuminations: 4.4 Developing Geometry Understandings With Tangrams
Students use this interactive website to explore tangrams by connecting the pieces.
Texas Instruments
Texas Instruments: Mc Dougal Littell Geometry: Investigate Proportionality
Students can use the TI-84 Plus family with Cabri Jr. to segment lengths in a triangle.
Texas Instruments
Texas Instruments: Discovering the Quadrilateral Properties
This activity will use Cabri Jr. to allow students' the ability to discover all of the properties of each quadrilateral, rather than simply copying them out of a textbook.
Texas Instruments
Texas Instruments: Intro to Circles Terminology
Four questions to introduce the TI-Navigator and to assess student understanding of basic terms about circles.
Texas Instruments
Texas Instruments: Constructing Regular Polygons
In this activity, students will construct regular polygons. The activity will reinforce the difference between a construction and a drawing.
University of Texas at Austin
Mathematics Teks Toolkit: Oh No! My Ominoes!
Explore pentominoes by determining congruent and non-congruent shapes.
University of Texas at Austin
Mathematics Teks Toolkit: Exploring C/d= Pie
A collection of circular objects will be used to explore circumference and diameter of circles.
University of Texas at Austin
Mathematics Teks Toolkit: Pipe Cleaners
Pipe cleaners are used to create the perimeter of a rectangle in order to explore base and height.
CK-12 Foundation
Ck 12: Elem Math: Identifying Straight Lines in Various Shapes
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine which shape is made of only straight lines. The video is followed by a series of practice questions to assess student...
Texas Instruments
Texas Instruments: Investigating Properties of Trapezoids
This activity uses the graphing calculator to investigate trapezoids. Numerous supplementary materials are included. [Requires Adobe Reader.]
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Build a Hexagon [Pdf]
Play a game to build a hexagon.
Mr. Martini's Classroom
Mr. Martini's Classroom: Classifying Polygons and Finding Perimeters
Assess learning of polygons and perimeters with this interactive multiple choice practice and quiz activity. Click the question mark for hints.
Illustrative Mathematics
Illustrative Mathematics: 7.g Floor Plan
This lesson plan has students solving word problems using scale drawings.
Illustrative Mathematics
Illustrative Mathematics: 7.g Map Distance
This lesson plan has students solve problems using scale drawings on a map.
Illustrative Mathematics
Illustrative Mathematics: 2.g Polygons
This lesson plan has students identify shapes by coloring the given shape a specific color.
Mangahigh
Mangahigh: Pyramid Panic: Basic Shapes to Advanced Geometry
Guide a mummy safely through the burial chambers of a pyramid as you solve length and area problems in basic to advanced geometry. There are four game zones that deal with circles and triangles, quadrilaterals, the Pythagorean Theorem,...