# Finding all possible numbers that could have been rounded to a multiple of ten

In this lesson, we are going to be putting our on investigating hats, in order to find all the possible numbers that could have been rounded to a multiple of ten.

# 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 all possible numbers that could have been rounded to a multiple of ten

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The next lesson in Place value is "Rounding 2 and 3 digit numbers to the nearest 100"