# Straightedge

### Compass and Straightedge in the

Compass and Straightedge in the Poincar ´ eD is k Chaim Goodman-Strauss The spirit of this article belongs to another age. Today, "geometry"is most often analytic; this is especially suited to the making of nice pictures by computer.

### GEOMETRIC CONSTRUCTIONS USING A COMPASS AND STRAIGHTEDGE

GEOMETRIC CONSTRUCTIONS USING A COMPASS AND STRAIGHTEDGE Grade Levels : 6, 7, 8 Presented by : Lynne Liotta, Elbert County Charter School, Elizabeth, CO Barbara Murray, Lewis-Palmer Charter Academy, Monument, CO Length of Unit : 6 lessons I. ABSTRACT A.

### F-Numbers compared to "Gap under the Straightedge"

F-Numbers compared to "Gap under the Straightedge" The table on the next page provides some approximations for comparison purposes between the F F (Flatness) Number system and the "Gap under the Straightedge" system.

### ASSEMBLY INSTRUCTIONS for MOUNTING STRAIGHTEDGE with SURFACE ...

NOTE: Pre-drilling 3/32" pilot holes is recommended for these screws. #6 X 1" PAN HEAD SCREW (G) NOTE: Pre-drilling 3/32" pilot holes is recommended for these screws.

### How to Install Your PRO-DRAFT Parallel Straightedge

4444 Lawton Avenue, Detroit, MI 48208 USA Tel:(313)895-0700 / Fax: (313)895-0709 • E-mail: Custservmud@aol. com How to Install Your PRO-DRAFT Parallel Straightedge INSTRUCTIONS FOR YOUR MARTIN UNIVERSAL DESIGN PARALLEL STRAIGHTEDGE 1.

### the civilizing of resistance: straightedge tattooing

INTRODUCTION In 1981anAmerican Punk band named''Minor Threat'' wrote a song titled, ''Out of Step (With the World).''The song extolled the virtues of self-restraint, personal responsibility, and social awareness.

### Classical Geometric Construction

5.1 Arithmetic with Straightedge and Compass One way to look at arithmetic in terms of geometry is to let the lengths of line segments represent numbers.

### Visual Mathematics Project #7 Compass & Straightedge ...

Visual Mathematics Project #7 Compass & Straightedge Constructions. From Wikipedia: The "compass" and "straightedge" of compass and straightedge constructions is an idealization of rulers and compasses in the real world:

### Geometric Constructions Using a Compass and Straightedge

Geometric Constructions Using a Compass and Straightedge Grade Levels : 8 (with connections to Grades 6 & 7) Presented by : Lynne Liotta, Elbert County Charter School, Elizabeth, CO Barbara Murray, Lewis-Palmer Charter Academy, Monument, CO Length of Unit : 6 lessons I. ABSTRACT This sixth ...

### ROLLING STRAIGHTEDGE

www.cnsfarnell.com ROLLING STRAIGHTEDGE The Rolling Straightedge simulates a 3m rigid straightedge sliding along the road surface, and consists of a rigid frame supported on rubber-tyred wheels arranged in two parallel rows, with the centres of the wheels in one row opposite the gaps between the ...