# 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.

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!

## Question 7

Q1.42 rounded to the nearest 10 is

1/7

Q2.75 rounded to the nearest 10 is

2/7

Q3.15 rounded to the nearest 10 is

3/7

Q4.544 rounded to the nearest 10 is

4/7

Q5.891 rounded to the nearest 10 is

5/7

Q6.597 rounded to the nearest 10 is

6/7

Q7.Which number might have been rounded to give the answer 340?

7/7

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!

## Question 7

Q1.42 rounded to the nearest 10 is

1/7

Q2.75 rounded to the nearest 10 is

2/7

Q3.15 rounded to the nearest 10 is

3/7

Q4.544 rounded to the nearest 10 is

4/7

Q5.891 rounded to the nearest 10 is

5/7

Q6.597 rounded to the nearest 10 is

6/7

Q7.Which number might have been rounded to give the answer 340?

7/7

# 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"
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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.

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

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