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Holiday Clip Art Collection: Halloween October 26, 2015

Posted by Edward Deleon in : geometry , add a comment


Here is the link to our latest holiday clip art collection, this one for Halloween:

Holiday Clip Art Collection: Halloween

This collection shows various Halloween-themed images as 3D figures and as 2D shapes. Encourage your students to think of other Halloween images and describe them geometrically.

Here are the individual images in the presentation as downloadable JPG images. Simply right-click on each link to download the image.


Vampire Coffin

Witch’s Hat

Candy Corn



Chocolate Bar

Mint Candy



Holiday Math Activities: Spider Webs and Polygons October 23, 2015

Posted by Edward Deleon in : geometry , add a comment

HalloweenMath-01 copy

Here is another holiday-themed activity that looks at the geometry of spider webs. Use this activity to review basic concepts of triangles, quadrilaterals, and polygons.

Use this Slide Show Creator presentation. It includes all the components you need: an embedded video and a worksheets.


Here is a direct link to the worksheet. Right-click to download it.


Here is the link to the YouTube video embedded in the Slide Show Creator presentation.



Holiday Math Activities: Halloween Approximation October 17, 2015

Posted by Edward Deleon in : algebra, geometry , 2comments

Here is a downloadable Word version, for easy printing. CandyCornMathActivity

During the holiday season, finding ways of weaving math into the festivities is an interesting challenge. There are many ways of doing this, and here is an approximation activity that should encourage your students to critically think about math. The image below can be printed as a transparency for use on a whiteboard or overhead projector.


Here are downloadable versions of this activity. Simply right-click on the link and download the file.

* Color JPG version 

* Grayscale JPG version

* PDF version

Teaching Tips


Math in the News: Jurassic World October 3, 2015

Posted by Edward Deleon in : Uncategorized , add a comment


In this issue of Math in the News see how Jurassic World has set box office records.

Click here to see it.


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