Chapter 2 - Video Lectures

provided by:

Khan Academy

Video Clips are linked from the Khan Academy (www.khanacademy.com) a not-for-profit organization with the mission of providing world class educational opportunities to anyone, anywhere. There are thousands of free videos and practice problems available.

For CNCC students, the videos do not match what is covered in the book or in the class room lectures on a one to one basis, and are meant to be a supplement, not a replacement, for classroom lectures.

2.1 Least Common Multiple and Greatest Common Factor

2.2 Introduction to Fractions

Numerator and Denominator of a Fraction
Identifying Fraction Parts
Proper and Improper Fractions
Changing a Mixed Number to an Improper Fraction
Changing an Improper Fraction to a Mixed Number

2.3 Writing Equivalent Fractions

Equivalent Fractions
Fractions in lowest terms
Comparing Fractions
Comparing Fractions 2

2.4 Addition of Fractions and Mixed Numbers

Adding Fractions with Like Denominators
Adding Fractions with Unlike Denominators
Adding Mixed Numbers
Adding Mixed Numbers with Unlike Denominators
Adding Mixed Numbers Word Problem

2.5 Subtraction of Fractions and Mixed Numbers

Subtracting Fractions
Subtracting Mixed Numbers
Subtracting Mixed Numbers 2
Subtracting Mixed Numbers Word Problem

2.6 Multiplication of Fractions and Mixed Numbers

Multiplying Fractions
Multiplying Mixed Numbers
Multiplying Fractions and Mixed Numbers
Multiplying Fractions Word Problem

2.7 Division of Fractions and Mixed Numbers

Reciprocal of a Mixed Number
Dividing Fractions
Dividing Mixed Numbers
Dividing Mixed Numbers and Fractions
Dividing Fractions Word Problem

2.8 Order, Exponents, and Order of Operations Agreement