411 REFERENCE · Wikibooks
Basic Algebra/Working with Numbers/Integers and the Number Line
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Vocabulary
Integer A whole number (both positive and negative).
Number Line a line marked periodically with numbers
Origin Zero (0)
Lesson
An integer is any number, positive or negative, that does not have a fraction or decimal point. Integers can be shown on a number line, like the one below.
frame|center|The Number Line between the integers -10 and 10
This number line shows the numbers from -10 to (positive) 10. Notice the arrows on either side to show that the numbers continue in both directions even though they are not shown on the line.
Practice Games
http://www.funbrain.com/linejump/index.html
Practice Problems
{What is
|type="{}"}
-2+6={ 4_1 }
Basic Algebra Integers and the Number Line Introduction to Basic Algebra - Chapter Test Absolute Value