# Exploring commutativity in multiplication

In this lesson, we will explore the commutative law in multiplication. We will investigate how partitioning a number in multiplication can help us compare two multiplication calculations and see if they have the same product.

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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 is 22 x 4?

1/5

Q2.What is the missing word? If there are ten or more ones, we must ______________ the ones into tens and ones.

2/5

Q3.Do you need to regroup ones into tens when calculating 11 x 7?

3/5

Q4.Do you need to regroup tens when calculating 43 x 4?

4/5

Q5.What do you need to regroup when calculating 45 x 5?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### 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 is 22 x 4?

1/5

Q2.What is the missing word? If there are ten or more ones, we must ______________ the ones into tens and ones.

2/5

Q3.Do you need to regroup ones into tens when calculating 11 x 7?

3/5

Q4.Do you need to regroup tens when calculating 43 x 4?

4/5

Q5.What do you need to regroup when calculating 45 x 5?

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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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

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

# Exploring commutativity in multiplication Quiz

Are you ready to put your new learning to the test? Good luck!

Q1.What is the Commutative Law?

1/5

Q2.6 x 4 has the same product as 4 x 6.

2/5

Q3.12 x 4 has the same product as 2 x 14.

3/5

Q4.Which of the following options is incorrect?

4/5

Q5.Which of the following options is incorrect?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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

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

# Exploring commutativity in multiplication Quiz

Are you ready to put your new learning to the test? Good luck!

Q1.What is the Commutative Law?

1/5

Q2.6 x 4 has the same product as 4 x 6.

2/5

Q3.12 x 4 has the same product as 2 x 14.

3/5

Q4.Which of the following options is incorrect?

4/5

Q5.Which of the following options is incorrect?

5/5

# Lesson summary: Exploring commutativity in multiplication

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## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga