Rounding Decimals (Part 2)

In this lesson, we will investigate and model solutions to a number of rounding problems which include rounding to the nearest 10, 100 and 1000.

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.What does this symbol mean? ≈

1/6

Q2.When rounding to the nearest 10, you need to consider which is that number's closest multiple of ...

2/6

Q3.When rounding to the nearest 100, you need to consider which is that number's closest multiple of ...

3/6

Q4.When rounding to the nearest 1000, you need to consider which is that number's closest multiple of ...

4/6

Q5.5.5 is half way between which two whole numbers?

5/6

Q6.Round 9.9 to the nearest whole number

6/6

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.What does this symbol mean? ≈

1/6

Q2.When rounding to the nearest 10, you need to consider which is that number's closest multiple of ...

2/6

Q3.When rounding to the nearest 100, you need to consider which is that number's closest multiple of ...

3/6

Q4.When rounding to the nearest 1000, you need to consider which is that number's closest multiple of ...

4/6

Q5.5.5 is half way between which two whole numbers?

5/6

Q6.Round 9.9 to the nearest whole number

6/6

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.

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:

Rounding decimals

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Round 0.2 to the nearest whole number

1/6

Q2.Round 19.7 to the nearest whole number

2/6

Q3.Round 523.7 to the nearest whole number

3/6

Q4.I think of a number with one decimal place and round it to the nearest whole number. The answer is 62. What is the highest possible number I could have thought of?

4/6

Q5.I think of a number with one decimal place and round it to the nearest whole number. The answer is 435. What is the lowest possible number I could have thought of?

5/6

Q6.I think of a number with one decimal place and round it to the nearest whole number. The answer is 9. How many possible numbers could I have thought of?

6/6

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:

Rounding decimals

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Round 0.2 to the nearest whole number

1/6

Q2.Round 19.7 to the nearest whole number

2/6

Q3.Round 523.7 to the nearest whole number

3/6

Q4.I think of a number with one decimal place and round it to the nearest whole number. The answer is 62. What is the highest possible number I could have thought of?

4/6

Q5.I think of a number with one decimal place and round it to the nearest whole number. The answer is 435. What is the lowest possible number I could have thought of?

5/6

Q6.I think of a number with one decimal place and round it to the nearest whole number. The answer is 9. How many possible numbers could I have thought of?

6/6

Lesson summary: Rounding Decimals (Part 2)

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Time to move!

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For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga

The next lesson in:
Decimals
is:
Decimal Number Bonds

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