Unit 2

Video Tutorials

Pre Lesson 1 - The Meaning of Multiplication

The Meaning of Multiplication

Equal Groups

Concept of Multiplication

Multiplication Properties

Arrays - Review

How to Find Unknown Facts

Lesson 2 - Factoring Tens

Factor Tens by Addends of 10

Factoring Tens

Factor all the Tens

Lesson 3 - Multiples of 10 and Place Value Patterns

Multiples of Ten

Multiples of 10 by place value

Lesson 4 - Place Value Section Method using an Area Model

Area Model of Multiplication

Place Value Sections

Lesson 5 - Estimate the Product

Estimate the Product

Lesson 6 - Expanded Notation Method

Expanded Form Method

Expanded Notation

Expanded Notation Method

Expanded Notation Song

Lesson 7 - Algebraic Notation Method

Distributive Property Explained

Algebraic Notation

Algebraic Notation Method

Lesson 8 - Compare and Contrast all methods - review

Lesson 9 - Traditional Method of Multiplication or Shortcut Method

Lesson 10

3 digits by 1 digit multiplication

Traditional Multiplication Method

Lesson 11- Multistep Word Problems

Area Model

Mult Step Word Problems

Multi Step Problems

Organize Data

Lesson 12

Factor Tens with 2 digits by 2 digits

Solving with Quadrants

Place Value Section Method of 2 by 2 digits

Lesson 13

Multiplication with Expanded Numbers

All Methods

Download: Worksheet 2-13

Lesson 14

Traditional Method

Short cut Method

Multiply 2 digit numbers

Lesson 15 - Estimate to check

Khan Academy

Multiplication Estimation

Estimate to Check

Estimate Multiplication

Lesson 16 - 4 digits by 1

Place value section

Using a chart

Math Antics

Khan Academy

Lesson 17-18 - Estimate the Product

Round to Estimate

4 digits

Multi-digits

Lesson 19 is a review of all methods.