## Substracting Whole Numbers

## Multiplying Whole Numbers

- Introduction to Multiplicaton: Factors and Products
- Arrays
- The Identity for Multiplication
- Multiplication by Zero
- Multiplication Problems
- Summary: Multiplying Whole Numbers, Part One
- The Multiplication Facts Table and Multiplication Facts for 1 and 0
- Multiplication Facts for 5 and 2
- Multiplication Facts for 4 and 8
- Multiplication Facts for 3
- Multiplication Facts for 6, 9 and 7
- Memorizing the Multiplication Facts with Tables
- Practical Multiplication Problems
- Summary: Multiplying Whole Number, Part Two
- Review of Previous Multiplication Material
- Multiplying a Larger Number by a Single-Digit Number
- Multiplying by Ten, Twenty, Thirty and Beyond
- Multiplying by Hundreds, Thousands and Ten Thousands
- Splitting Arrays and Partial Products
- Multiplying by a Number With a Zero in the Middle
- Summary: Multiplying Whole Numbers, Part Three

## Dividing Whole Numbers

- Defining Dividend, Divisor and Quotient
- Division's Relationship to Multiplicationand Subtraction, Part One
- Division's Relationship to Multiplicationand Subtraction, Part Two
- Division Facts
- Rules of Division
- Remainders
- A Few Division Problems
- Summary: Dividing Whole Numbers, Part One
- Division and Partial Quotients
- Partial Quotients and Multiples of Ten
- A Practical Problem about Eggs
- A Problem Involving Bottles of Soda
- A Plain Arithmetic Problem
- Comparing Methods of Division
- A Division Shortcut
- Summary: Dividing Whole Numbers, Part Two