# Understanding multiplication can be completed in any order

In this lesson, we will introduce the term 'communtativity', and study the properties and laws of multiplication. We will use arrays to prove that multiplication is commutative.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What does this array show?

1/5

Q2.What does this array show?

2/5

Q3.Arrays help us...

3/5

Q4.What is the answer this array is showing?

4/5

Q5.4 x 11 = (Draw an array to help if you would like)

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What does this array show?

1/5

Q2.What does this array show?

2/5

Q3.Arrays help us...

3/5

Q4.What is the answer this array is showing?

4/5

Q5.4 x 11 = (Draw an array to help if you would like)

5/5

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Understanding multiplication can be completed in any order

Let's see what you have learnt about multiplication today

Q1.Commutativity means...

1/5

Q2.4 x 5 has exactly same answer as

2/5

Q3.48 is the answer to 4 x 12 and

3/5

Q4.5 x 9 and 9 x 5 =

4/5

Q5.4 people each buy 8 new pens. How many pens were bought in total?

5/5

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Understanding multiplication can be completed in any order

Let's see what you have learnt about multiplication today

Q1.Commutativity means...

1/5

Q2.4 x 5 has exactly same answer as

2/5

Q3.48 is the answer to 4 x 12 and

3/5

Q4.5 x 9 and 9 x 5 =

4/5

Q5.4 people each buy 8 new pens. How many pens were bought in total?

5/5

# Lesson summary: Understanding multiplication can be completed in any order

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga