Multiplying decimals using mental strategies

In this lesson we will use doubling and round and adjust strategies to multiply decimal numbers. We will use doubling to multiply by two, four and eight and round and adjust in the context of money (e.g. £2.99 x 3)

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!

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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!

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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.

Quiz:

Multiplying decimals using mental strategies

Well done for completing the lesson. Show what you now know by completing this exit quiz. You can choose which strategy you use: today we have covered round and adjust and doubling and halving.

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Quiz:

Multiplying decimals using mental strategies

Well done for completing the lesson. Show what you now know by completing this exit quiz. You can choose which strategy you use: today we have covered round and adjust and doubling and halving.

1/5

2/5

3/5

4/5

5/5