Curated OER
Common 2-D and 3-D Shapes
For this common 2-D and 3-D shapes worksheet, students define and solve 8 problems related to 2-D and 3-D figures as shown. First, they look at each 4-sided 2-D shapes listed and mark which ones always have the same angles. Then,...
Curated OER
Combinations and Functions
In this combinations worksheet, students determine the number of combinations in a given situation. They explore sets and determine if the relation is reflexive, symmetric or transitive. This one-page worksheet contains seven problems.
Curated OER
Relationship of Sets
In this relationship worksheet, students compare sets and determine the relation of the set. They identify sets as symmetric, anti-symmetric, reflexive or transitive. This one-page worksheet contains six problems.
Curated OER
Worksheet 11
In this math learning exercise, students find the vector parametric equation and symmetric equations for the line using two coordinate points.
Curated OER
Worksheet 12
For this math worksheet, students explain the vector parametric equation for a line, scalar parametric equations, symmetric equations, and the implicit equation for a line.
![Think Math: Getting an Angle on Geometry [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Think Math: Getting an Angle on Geometry [Pdf] Activity")
Education Development Center
Think Math: Getting an Angle on Geometry [Pdf]
In this lesson on geometry and polygons, you use origami to use various polygons to make a heart. Included in this PDF lesson is vocabulary worksheet with answers provided.
National Council of Teachers of Mathematics
The Math Forum: Putt Putt Golf in the Math Classroom
Putt-Putt golf can be a great tool in helping students understand angles and their reflections. Here a teacher demonstrates the "Course," set up in his classroom to assist in explaining to students how to use geometry and angles in...
Purple Math
Purplemath: Symmetry About an Axis
Explains symmetry about a line, using animations to illustrate the "rotation" or "reflection" involved in this type of symmetry.
Math Words
Math Words: Equivalence Properties of Equality
The properties of equality are listed with the specific properties exemplified with links.
Math Words
Math Words: Symmetric Property of Equality
The symmetric property is defined and illustrated.