6. Multiplication and division

Lesson

Introduction to the lesson

Can you write repeated addition as a multiplication number sentence? Try this question.

Write this addition as a multiplication.

2+2+2

Worked Solution

Idea summary

If we are adding groups of the same size, we can also write it as a multiplication:

\text{Number of groups} \times \text{Amount in each group}

Let's look at how to double or multiply numbers by 2.

Find the product of 2\times 8.

Worked Solution

Idea summary

Multiplying by two is the same as doubling. We always multiply equally sized groups.

uses mental and informal written strategies for multiplication and division