geometry

CK-12: Free, quality math and science curriculum

Submitted by Ellen on Tue, Apr 13, 2010 - 3:20pm

This site features textbooks in a flexible format called "Flexbooks" available for free download and printing.  Most programs include a Teacher's Edition, workbooks, and other supplementary material, all for free.  The topics at the moment include middle school and high school level math and science.  The science is mainstream (evolution is included in Life Science and Biology programs).  The Chemistry course includes labs.  The math is fairly traditional and includes Algebra, Geometry, Trigonometry, Probability & Statistics (AP), and Calculus (AB).  Free S

Free, Creative Math Lesson Plans from the Math Project Journal

Submitted by Ellen on Fri, Mar 12, 2010 - 9:03am

Includes lessons for Pre-algebra, Algebra, and Geometry.  Some relate to popular culture, others mythology, all involve a hands-on component.  Could be a way to add some fun or at least novelty to a topic review.

Mathematics Enhancement Programme- free curriculum for all ages

Submitted by Ellen on Wed, Mar 3, 2010 - 8:42am

This is a complete mathematics curriculum available free online, including printable practice books, lesson plans, and copy masters.  It was developed for the UK, and goes from "Reception", which seems to be analogous to kindergarten in the US, up through year 11 (similar to 11th grade).   There are 2 versions of the 10-11th year curriculum, only one of which seems to be for college-bound students.  The collegebound version includes guidance for customizing the curriculum for advanced students.  The version of the 12th year intended for collegebound students is not

Skewer Hyperboloid

Submitted by Ellen on Mon, Feb 8, 2010 - 7:43pm

Simple instructions for making a 3-D hyperboloid from skewers and small rubberbands. 

The Works Homeschool Day: Dot Bridges

Submitted by Ellen on Mon, Aug 17, 2009 - 10:05am
Date: 
Wednesday, November 18, 2009 - 10:00am - 4:00pm
The Works

Which shape is the strongest?  The circle?  The square?  Find out which shape engineers couldn't live without by making a bridge that is lightweight yet stable.

Toys from Trash

Submitted by Ellen on Sun, Aug 2, 2009 - 11:43am

A huge collection of "toys" made from simple inexpensive materials often found around the house, demonstrating a wide range of mathematical and scientific concepts.  Includes novel experiments and homemade musical instruments. 

Cyberchase

Submitted by Ellen on Sun, Jun 7, 2009 - 5:31pm

A website with games related to the PBS tv show "Cyberchase".  A wide variety of elementary math concepts are taught.