Basic Algebra/Working with Numbers/Integers and the Number Line

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  1. Integer: A whole number (both positive and negative).
  2. Number Line: a line marked periodically with numbers
  3. Origin: Zero (0)


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.

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[edit]

Practice Problems[edit]

(Note: put answer in parentheses after each problem you write)