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Site Map by Grade Level

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K-5

Early Mathematics

Geometric Puzzles

6-8

Early Mathematics

Signed Numbers Arithmetic

Kinesthetic Activities

Geometry Labs

Sum of Angles in a Triangle

Area of a Circle

Geometric Puzzles

(see Algebra 1 below)

Algebra 1

Algebra: Themes, Tools, Concepts (ATTC)

Choosing a Cell Phone Plan

Reply to Critic

Algebra for All?

Kinesthetic Activities

Add Till It's Plaid

Function Diagrams

Electronic Graphing

Completing the Square

Geometry

Geometry Labs

Sum of Angles in a Triangle

Area of a Circle

Geometric Puzzles

Kinesthetic Activities

The Pythagorean Geoboard

The Pythagorean Theorem

Transformational Geometry

Isometries Applets

Trigonometry (intro)

Algebra 2

Seeking Depth in Algebra 2

Letters and Postcards

Parabolas and Quadratics

Iterating Functions

Sequences and Series

Inverse Variation (Perspective Lab)

Electronic Graphing

Completing the Square

Exponential Functions

Trigonometry (intro)

Complex Numbers

High School Electives

Abstract Algebra

Function Diagrams

Iterating Functions

Knot Theory (intro)

Probability (intro)

Transformational Geometry

Trigonometry (intro)

Teachers' Mathematics

Function Diagrams

Geometry of Linear Graphs

Iterating Functions

Looks Isosceles!

Parabolas and Quadratics

Grades 7-10 Highlights:
Mathematics Overview

Also on this site:

About Teaching
Applets Directory
The Assessment Trap
Hyper-Acceleration
Manipulatives
Reaching the Full Range
For a Tool-Based Pedagogy
Project SEED
The Common Core High School
Math Standards — a closer look

My job from 1981 to 2013:

Urban School Math Department

Me:

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Except for very few items, all work on this Web site is licensed by Henri Picciotto under a
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