# Lesson overview:Deriving new facts from multiplication facts

- In this lesson, we will use the commutative property of multiplication, and our knowledge of inverse operations to help us derive new facts about general multiplication by, for example, rearranging equations in different ways.

## Core Content

- In this lesson, we will use the commutative property of multiplication, and our knowledge of inverse operations to help us derive new facts about general multiplication by, for example, rearranging equations in different ways.

## 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