Chapter 1 - 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.

1.1 Introduction to Whole Numbers

Place Value 1
Place Value 2
Place Value 3
Rounding Whole Numbers 1
Rounding Whole Numbers 2
Rounding Whole Numbers 3
Comparing Whole Numbers
Comparing Whole Numbers 2
Comparing Whole Numbers 3

1.2 Addition of Whole Numbers

Basic Addition
Addition 2
Level 2 Addition
Addition 3
Addition 4
Adding Whole Numbers and Applications 1
Adding Whole Numbers and Applications 2
Adding Whole Numbers and Applications 3
Adding Whole Numbers and Applications 4
Commutative Law of Addition
Associative Law of Addition

1.3 Subtraction of Whole Numbers

Basic Subtraction
Subtraction 2
Subtraction 3: Introduction to Borrowing or Regrouping
Alternate mental subtraction method
Level 4 Subtraction
Why borrowing works

1.4 Multiplication of Whole Numbers

Basic Multiplication
Multiplication 2: The Multiplication Tables
Multiplication 3: 10,11,12 times tables
Multiplication 4: 2-digit times 1-digit number
Multiplication 5: 2-digit times a 2-digit number
Multiplication 6: Multiple Digit Numbers
Multiplication 7: Old video giving more examples
Multiplying Whole Numbers and Applications 1
Multiplying Whole Numbers and Applications 2
Multiplying Whole Numbers and Applications 3
Multiplying Whole Numbers and Applications 4
Multiplying Whole Numbers and Applications 5
Commutative Law of Multiplication
Associative Law of Multiplication

1.5 Division of Whole Numbers

Division 1
Division 2
Division 3: More long division and remainder examples
Level 4 division
Dividing Whole Numbers and Applications 1
Dividing Whole Numbers and Applications 2
Dividing Whole Numbers and Applications 3
Dividing Whole Numbers and Applications 4
Dividing Whole Numbers and Applications 5
Dividing Whole Numbers and Applications 6

1.6 Exponential Notation and the Order of Operations Agreement

Understanding Exponents
Understanding Exponents 2
Order of Operations
Order of Operations 2

1.7 Prime Numbers and Factoring

Recognizing Divisibility
Finding Factors of a Number
Prime Factorization