Mathematics Lessons (Arithmetic Review For College)

This is a series of mathematics lessons that will review the important topics in arithmetics with examples and solutions.

These lessons will also be useful as a pre-Algebra review.
The videos are presented by the Portland Community College.

Whole Numbers: Place Value and Word Names

Whole Numbers: Expanded Form, Rounding and Inequalities

Addition of Whole Numbers

Subtraction of Whole Numbers

Check out our most popular games!

Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!

Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.

Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.

Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.

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