Algebra Lessons - 4

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This is a series of mathematics lessons that will review the important topics in algebra. It is presented in videos by the Portland Community College.

Math 60 - Lesson 11a
Ratio, proportions and rates
Ratio, rates and rational numbers, Proportions

Math 60 - Lesson 11b
Problem Solving with Proportions
Direct proportions, Inverse or reciprocal proportions
Proportions in geometry

Math 60 - Lesson 12a
2-dimensional geometry, Introduction to perimeter and area
Perimeter, circumference and linear units

Math 60 - Lesson 12b
Three-dimensional geometry
Introduction to volume and surface area
Volume and surface area formulas

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