# Lesson overview:Multiplying numbers by 10 and 100

- In this lesson, we will learn to multiply numbers by 10 and 100. We will investigate the patterns that occur when multiplying numbers by 10 and 100, and describe these patterns using place value and place holders.

## Core Content

- In this lesson, we will learn to multiply numbers by 10 and 100. We will investigate the patterns that occur when multiplying numbers by 10 and 100, and describe these patterns using 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