# Using doubles to multiply

In this lesson, we will look at the effect of doubling a number on the factors of that number, and investigate how the size of the number changes proportionally as we keep doubling.

# 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

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# 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:

# Using doubles to multiply

Let's see what you have learnt about doubling to multiply today

Q1.double 2 x 3 = 6 is

1/5

Q2.double 4 x 4 = 16 is

2/5

Q3.To solve 11 x 6 I can use

3/5

Q4.To solve 8 x 8 we can use

4/5

Q5.Which times-table can we double to find our 12s?

5/5

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

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

# Using doubles to multiply

Let's see what you have learnt about doubling to multiply today

Q1.double 2 x 3 = 6 is

1/5

Q2.double 4 x 4 = 16 is

2/5

Q3.To solve 11 x 6 I can use

3/5

Q4.To solve 8 x 8 we can use

4/5

Q5.Which times-table can we double to find our 12s?

5/5

# Lesson summary: Using doubles to multiply

## Time to move!

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

For 5 mins...

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On the spot:
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