Read these definitions:
- A negative number is a number that is less than 0. Example: −3
- Integers are positive and negative whole numbers. Example: −3 and 3
- Rational numbers are numbers that can be expressed as , where a and b are integers and b is not equal to 0. Example: fractions like or decimals like 0.25
- Explore the Number Line Contraption interactive with your class.
INTERACTIVE: Number Line Contraption
Note: The interactive instructions refer to a "blue dot" however the dot in the interactive is orange.