Website
Other

Math Bugs Me: Add Subtract Integers

For Students 6th - 8th Standards
This website provides students tips on how to add integers using absolute value and by introducing them to a pattern.
Website
Lawrence Hall of Science

The Math Page: Skill in Algebra: Signed Numbers

For Students 9th - 10th Standards
This resource explains positive and negative numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems.
Website
Library of Congress

Loc: The Empire That Was Russia, Photographic Record Recreated

For Students 9th - 10th
The digital revival of the glass plate images of the Russian Empire on the eve of World War I by photographer Sergei Mikhaylovich Prokudin-Gorskii. Very interesting from both historical and technological points of view.
Website
PBS

Pbs Learning Media: Cyberchase: Competing for the Northern Hemisphere Games

For Students 6th - 8th
In this short Cyberchase video, students learn about positive and negative numbers as Harry tries to score a total of 50 points in various events to qualify for the Northern Hemisphere games in New Orleans. [3:24]
Website
State Library-Florida

Florida Memory: Daguerreotype to Digital: Brief History of Photography

For Students 9th - 10th
Online history of the photographic process arranged by type and time period.
Website
Purple Math

Purplemath: "Number" Word Problems

For Students 9th - 10th Standards
Demonstrates, step-by-step and with illustrations, how to set up and solve 'number' problems.
Website
Ducksters

Ducksters: Kids Math: Types of Numbers Glossary and Terms

For Students 9th - 10th Standards
Math glossary and terms on Types of Numbers for kids. Learn the definitions used in this mathematics subject such as whole numbers, real numbers, and integers.
Website
Can Teach

Can Teach: Math Centers

For Teachers 3rd - 5th Standards
This page offers a variety of math center ideas for general math and geometry. Instructions on setting up the center are not provided for most ideas, however, those lacking instructions are pretty self-evident.
Website
Other

Cyber Sleuth Kids: Number Line Worksheets

For Students Pre-K - 1st Standards
Using a number line has just gotten a little easier for teachers and students in this site from CyberSleuth that contains an assortment of printable number line worksheets. Here you will find blank number lines, number lines with...
Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Reversing the Inequality Symbol

For Students 9th - 10th Standards
"Dr. Math" responds to a student inquiry of why it is necessary to reverse the inequality sign when multiplying/dividing by a negative value.

Other popular searches