# Array models

In this lesson, we will use arrays to show the commutative property of multiplication.

#### 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.Which of the following problems do not require a multiplication calculation to solve?

1/5

Q2.Multiplication can be used to describe _________ groups, parts or measures.

2/5

Q3.If I know 209 ÷ 11 = 19, then I know...

3/5

Q4.If I know 209 ÷ 11 = 19, then I know 209 ÷ 19 =

4/5

Q5.If I know 953.7 ÷ 18.7 = 51, then I know...

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.Which of the following problems do not require a multiplication calculation to solve?

1/5

Q2.Multiplication can be used to describe _________ groups, parts or measures.

2/5

Q3.If I know 209 ÷ 11 = 19, then I know...

3/5

Q4.If I know 209 ÷ 11 = 19, then I know 209 ÷ 19 =

4/5

Q5.If I know 953.7 ÷ 18.7 = 51, then I know...

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:

# Array Models

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Which calculation is not in the same fact family

1/5

Q2.Given that 3.2×7.5=24, what is 24÷7.5?

2/5

3/5

Q4.⊿ + ∎ + ∗ = ∎ + ∗ + ⊿

4/5

Q5.Two numbers can be divided in any order

5/5

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

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

# Array Models

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Which calculation is not in the same fact family

1/5

Q2.Given that 3.2×7.5=24, what is 24÷7.5?

2/5

3/5

Q4.⊿ + ∎ + ∗ = ∎ + ∗ + ⊿

4/5

Q5.Two numbers can be divided in any order

5/5

# Lesson summary: Array models

## 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:
Dance