[Free Registration/Login Required] This flipchart uses the protractor tool to understand the classification and naming of angles: acute, obtuse and right.

Get the definition and properties of a polygon. Then explore such topics as: 1) types of polygon 2) area 3) Perimeter 4) angles associated with polygons and 5) names of polygons.

Investigate circles, namely their angles, chords, and tangents using this highly interactive Learn Alberta math. Explore a number of circle geometry properties that can be used to determine unknowns. Be sure to follow the link to the...

[Free Registration/Login Required] This flipchart is a great way to let your students have FUN while learning the different degrees and names of angles.

Build a molecule in 3-D. Add single, double, and triple bonds, or a lone pair of electrons to an atom, learn what the molecule's geometric name is, see the bond angles, and manipulate each molecule to view it from all sides. Then study a...

Test your geometry aptitude using this interactive matching game. Match pictures and symbols to the correct definition. Answers are verified immediately. Winners can earn as much as 10,000 dollars and have their name posted for the day.

In this activity, you will construct special segments of a triangle named altitudes, medians, and angle bisectors, Using their definitions. You will look at how an altitude, a median, and an angle bisector divide the area of a triangle....

Use this game to improve your knowledge and understanding of triangles and naming vertices. Just read and follow the instructions! [Requires Java.]

Portraits of thirty-one Worcester residents. Among the names is Isaiah Thomas.

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...

Explore the structure and measurement of polygons.

This wooden plumb level consists of two short pieces projecting at right angles from a longer slab and bears the name of its owner, Sennedjem, who was a chief artisan.

The purpose of this task is to lead students through an algebraic approach to a well-known result from classical geometry, namely, that a point X is on the circle of diameter AB whenever angle AXB is a right angle. This consists of...

Find out about the ways to name rotation symmetry: order, fraction of a turn, and angle.

Conversion calculators galore! Convert just about anything from one measureable unit into another measureable unit here with over two dozen calculators. Each of the links is specific to a measureable quantity. Some examples include...

This site explains what conformal mapping is, gives alternative names used in reference of this transformation, uses pictured examples to emphasize the particulars of the definition, gives an if statement with regards to conforming...

A map of England and Wales in AD 550, after the departure of the Romans (AD 410) and during the migration of the Angles, Saxons, and Jutes from Europe. The map is color-coded to show the territories of the native Britons or Welsh,...

A map of England and Wales in AD 584 at the end of the conquest of the Britons by West Saxons under Ceawlin and Cutha. The map is color-coded to show the territories of the native Britons or Welsh, Angles, Saxons, Jutes, and the Scots...