# Lesson overview:Multiplying and dividing by 100

- In this lesson, we will learn how to multiply and divide whole numbers by 100. We will look at the properties of numbers that are a multiple of 100, and study examples and non-examples. We will discuss multiplying and dividing by 100 in terms of place value and place holders.

## Core Content

- In this lesson, we will learn how to multiply and divide whole numbers by 100. We will look at the properties of numbers that are a multiple of 100, and study examples and non-examples. We will discuss multiplying and dividing by 100 in terms of place value and place holders.

## Deriving multiplication and division facts:

- Looking at multiplication strategies and the effect on the product
- Multiplying numbers by 10 and 100
- Linking place value and multiplication
- Dividing by 10 using place value
- Multiplying and dividing by 100
- Exploring division strategies
- Deriving new facts from multiplication facts
- Using arrays to multiply a 2 digit number by a 1 digit number
- Using Dienes to multiply a 2 digit number by a 1 digit number
- Exploring commutativity in multiplication
- Exploring commutativity
- Dividing by a one digit number (no regrouping)
- Solving multiplication and division problems using the bar model
- Solving multiplication and division problems by drawing the bar model
- Identifying known and unknown relationships