# Finding 10, 100 or 1000 less than a given number

In this lesson, we will be using our place value knowledge to find 10, 100 or 1000 less than a given number and considering how the digits change when we are required to regroup

# 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.

# Lesson summary: Finding 10, 100 or 1000 less than a given number

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The next lesson in Reasoning with 4-digit numbers is "Rounding numbers to the nearest 10"