Opposite of a Number

Opposite of a Number

Definitions

Opening

Definitions

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 ab, where a and b are integers and b is not equal to 0. Example: fractions like 14 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.

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