Years ago, I had the privilege of working on a grant from NASA with a great team of educators and programmers from The Center for Accessible Technology and InfoUse. This set of aeronautics and math activities, called PlaneMath, is the result. The intended audience is students in grades 3-5, including …

Templates for Handmade Manipulatives

Make your own pattern blocks and base-ten blocks using these printable pages

Wikijunior develops online kids’ books for free

WikiBooks, whose motto is “Think free. Learn free.” has a special section called Wikijunior, a project aimed at producing full-color booklets for kids 8-11.  The books are being developed and offered online (and some in pdf format).  Some books may also go into print.  One of the current complete titles …


ASL Pro is a web site that offers a free American Sign Language video dictionary and quiz tool for teachers and others who want to teach or learn sign language. Words and phrases are organized into a Main Dictionary, Religious Dictionary, Conversational Dictionary (including idioms), and ASL for Babies Dictionary. …

Vocab Grapher: a graphical and auditory dictionary

Think universal design for dictionaries. The Vocab Grapher not only speaks words, it provides a graphical representation of synonyms, antonyms and other related words, using color-coded mind maps.

How to Tie the 10 Most Useful Knots

clipped from Mother Earth News editors 1: Overhand Knot 2: Figure-eight Know 3: Reef (Square) Knot 4: Sheet (Becket) Bend 5: Carrick Bend 6: Bowline 7: Clove Hitch 8: Timber Hitch 9: Taut-line Hitch 10: Sheepshank  

Edison Times 3rd Edition Now Online

The Edison Times, published by my afterschool group of 3rd, 4th and 5th graders, now has pdf’s of its third edition online.

The Color Bug: Radio-Controlled Art

The RC Color Bug is one cool idea (and one we used to rig up ourselves with remote controlled cars, markers and rubber bands). This lady-bug shaped toy holds markers point down so kids can draw by steering the bug with a button-operated remote. With a little work, we could …

Waste Free Lunches

Start a waste-free lunch program at your school, or simply learn how to make and pack lunches kids (and adults) will eat with little waste and reusable containers.