College Algebra - Numbers

A series of free College Algebra Videos and Lessons from UMKC - The University of Missouri-Kansas City.

College Algebra - Lecture 1 - Numbers
Lecture 1 - Numbers.
This lecture discusses about set of objects, Natural numbers, Real numbers and how to find distance between two points.

• Sets of Objects [4 min.]
• Natural Numbers [7 min.]
• Integers [5 min.
• Rational Numbers [13 min.]
• Irrational Numbers [2 min.]
• Real Numbers [1 min.]
• The Real Line: From Numbers to Points [4 min.]
• Real Numbers are Ordered [19 min,]
• The Real Line: Distance Between Points [8 min.]
• Real Numbers as Decimals [11 min.]

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.