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

In this lesson, we will put on our investigation hats in order to find all the possible numbers that could have been rounded to a multiple of ten.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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!

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

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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!

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

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Worksheet

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

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