Follow me on Twitter: @hpicciotto

How to Get
Some of My Publications

This page lists selected publications in math education.
Look at my résumé for a more complete list.
(800) 458-0024


A manipulatives-based algebra program, to be used as part of, or in preparation for any algebra course: the Lab Gear. The following items are available from Didax:
Algebra Lab Gear: Basic Algebra
Algebra Lab Gear: Algebra 1
Classroom Set
Student Pair Set
10 Corner Pieces
On this site:
Information about the Lab Gear
Errata in the Algebra Lab Gear books
The Algebra Lab: High School (1990)
Available free for your non-commercial use.
Math lessons through geometric puzzles in grades 4 through 10:
Working with Pentominoes a book of activities, accompanied by an eBook which can be projected and includes manipulable pentominoes.
On this site:
Geometric Puzzles in the Classroom

Free on this site




An algebra textbook and accompanying materials
by Anita Wah and Henri Picciotto:
Algebra: Themes, Tools, Concepts (ATTC, 1994)
ATTC on line, in color and searchable
ATTC Teachers' Edition
ATTC Teacher Resources
More info and sample lessons
See also:
More on algebra
A manipulatives-based geometry program, to be used as part of or in preparation for any geometry course:
Geometry Labs (1999)
See below for some of the associated manipulatives.
See also:
More on geometry
A book of puzzles and activities on grid paper:
Polyomino Lessons (1986)
See also:
Geometric Puzzles in the Classroom

All three books are available free for your non-commercial use.


CircleTrigGB_lrg template

These are companion manipulatives to Geometry Labs.

Geometry Labs Template
Eight different triangles, ten different quadrilaterals, seven different regular polygons, all the pattern blocks. Perfect for exploring tessellations. Centimeter and inch rulers, unmarked protractor. Can be put in a 3-ring binder. See it as a PDF.
CircleTrig Geoboard
On one side, an 11 by 11 geoboard. On the other, a circle geoboard, with radius 10 cm, and a 360° protractor.
On this site:
The 10-cm Circle
Geoboard activities

Zometool, Inc.
(888) 966-3386

Zome Geometry

A book of hands-on lessons using models in the Zome System,
by George W. Hart and Henri Picciotto:
Zome Geometry (2000)
On the Web: see George's site.

Available from Henri Picciotto
Send me e-mail .

supertangram hexagon

I will sell you plastic superTangrams at $4.00 a set, plus shipping / handling.

On this site:
My superTangram books can be downloaded here, for your non-commercial use.
See also: Geometric Puzzles in the Classroom.
(800) 648-2970
If ordering by phone doesn't work, try ordering online, and vice-versa.

pentomino book

Math lessons through geometric puzzles in grades K through 12:
Pentomino Activities, Lessons and Puzzles (1984, 1986)
[going out of print, but possibly still available. Ask for item 0884883744]
On this site:
Geometric Puzzles in the Classroom

(800) 321-0943

math machine

Geometric puzzles (grades 2-10):
The Math Machine Pentomino Puzzles (1984)
Pentomino Pattern Cards (a subset of same)
[Both are going out of print, so order soon!]
On this site:
Geometric Puzzles in the Classroom.

Three lessons on algebra as part of Teaching Mathematics with Manipulatives, an in-service video course (Ed Dickey, editor.)

On this site: The Lab Gear.

National Council of Teachers of Mathematics
(800) 235-7566


Articles in The Mathematics Teacher:

"Why I Use Interactive Whiteboards" (The Mathematics Teacher, November 2010.) An earlier version appeared on my Math Education Blog.

"A New Path to the Quadratic Formula" (The Mathematics Teacher, February 2008).
On this site: Parabolas and Quadratics

With Jonathan Choate, "Iterating Linear Functions" (February 1997), an introduction to dynamical systems.

"Make These Designs", a graphing calculator lesson on linear functions (May 1996).

Also: Delving into Functions with Function Diagrams in NCTM's online journal ON-Math (Volume 5, #1, 2006-2007).

On this site: Function Diagrams

Some rights reserved
Creative Commons License
Except for very few items, all work on this Web site is licensed by Henri Picciotto under a
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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