McGraw Hill
Glencoe: Self Check Quizzes 1 Two Dimensional Figures Polygons
Use Glencoe's randomly generated self-checking quiz to test your knowledge of two-dimensional figure-polygons. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
OpenStax
Open Stax: Collisions of Point Masses in Two Dimensions
From a chapter on Linear Momentum and Collisions in a Physics textbook. This section of the chapter discusses collisions in two dimensions, what point masses are, how to calculate the conservation of momentum, what happens when two...
CK-12 Foundation
Ck 12: Interactive Geometry: 9.4 Connections Between Two and Three Dimensions
Cross-sections are one way that two-dimensional objects are connected to three-dimensional objects.
Sophia Learning
Sophia: Planar Objects Have Only Two Dimensions
Explore why objects drawn on a plane are two dimensional in this video tutorial. [4:57] Take a quiz to assess learning.
Sophia Learning
Sophia: Drawing Three Dimensional Objects: Lesson 2
This lesson demonstrates how three-dimensional objects can be drawn in a three-dimensional space. It is 2 of 5 in the series titled "Drawing Three Dimensional Objects."
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: One Dimensional Kinematics
Using only two of our fundamental units, time and displacement students will build a framework to predict the motion of objects, starting with one dimensional motion.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Drawing Three Dimensional Figures
Get independent practice drawing three-dimensional figures. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
CK-12 Foundation
Ck 12: Episd: Locating an Object: Distance and Displacement
[Free Registration/Login may be required to access all resource tools.] Understand how to analyze one dimensional motion by applying mathematic equations, distance, and displacement.
Texas Education Agency
Texas Gateway: Linear Momentum & Collisions: Elastic Collisions in One Dimension
By the end of this section, you will be able to describe an elastic collision of two objects in one dimension, define internal kinetic energy, derive an expression for conservation of internal kinetic energy in a one-dimensional...
ClassFlow
Class Flow: Impossible Objects
[Free Registration/Login Required] In this lesson, students use math to create two dimensional illusions in the form of impossible objects. Students use the drawing and measuring tools to create mathematical art.
Primary Resources
Primary Resources: 2 D and 3 D Shapes
Here is a huge collection of teacher resources for teaching 2-D and 3-D shapes. Includes smartboard and PowerPoint presentations, as well as worksheets and helpful hints.
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...
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students practice classifying various two dimensional shapes as rectangles, squares, circles or triangles.
CK-12 Foundation
Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
Illustrative Mathematics
Illustrative Mathematics: A Ced.2 and G Gmd.4: Global Positioning System I
This question examines the algebraic equations for three different spheres. The intersections of each pair of spheres are then studied, both using the equations and thinking about the geometry of the spheres. Aligns with A-CED.A.2 and...
Other
3 D Object Viewer
Students can use this applet to explore different 3-D objects. Different objects can be chosen, rotated, and viewed from a variety of sides. [Requires Java.]
Other
Coloring 2 D Sides
Learners use the colored portion of the 3-D object to color the correct side of the 2-D drawing. This applet consists of 20 problems. [Requires Java.]
University of Cambridge
University of Cambridge: Nrich: Net Cuts
In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.
Texas Instruments
Texas Instruments: Copying an Angle
Explore relationships (including congruence and similarity) among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them.
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.
University of Regina (Canada)
University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...
University of Toronto (Canada)
Question Corner: Higher Dimension Geometry
Use this site to discover how we represent higher dimensional objects in mathematics and how one might draw a four dimensional object on two dimensional paper and modeling fourth degree tetrahedron.
Physics Aviary
Physics Aviary: Graphing Motion Problem Level 5
Find out the acceleration of an object from a position vs. time graph by finding the instantaneous velocity at two different points.
Other
Ohio Resource Center: Shadows
This applet helps students visualize the shapes of shadows cast by a cube with a light coming from different angles. This helps students visualize shapes from different angles and to identify, sketch and classify the cross-sections of...