Mathematics Lessons - 18 (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.

Math 20 - Lesson 66

Multiplication of Signed Numbers

Math 20 - Lesson 67

Division of Signed Numbers

Math 20 - Lesson 68

Review: Order of Operations

Previous set of videos in this series

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.

Penguin Solitaire:
Move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).

Sawayama Solitaire:
This is similar to the common Klondike Solitaire except for a few changes to make it more strategic.

Check out more Solitaire games here.

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