Maths

Exit Lesson

Finding 10, 100 or 1000 less than a given number

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

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.Mrs Crane has completed the following number line, is she correct?

1/5

Q2.Mrs Crane has completed the following number line, is she correct?

2/5

Q3.Complete this function machine by deciding if you need to add 10, 100 or 1000

3/5

Q4.Complete this function machine by deciding if you need to add 10, 100 or 1000

4/5

Q5.I think of a number. I add 10, then add 100. My answer is 7820. What was my number?

5/5

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.Mrs Crane has completed the following number line, is she correct?

1/5

Q2.Mrs Crane has completed the following number line, is she correct?

2/5

Q3.Complete this function machine by deciding if you need to add 10, 100 or 1000

3/5

Q4.Complete this function machine by deciding if you need to add 10, 100 or 1000

4/5

Q5.I think of a number. I add 10, then add 100. My answer is 7820. What was my number?

5/5

Video

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Worksheet

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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:

Finding 10, 100 or 1000 less than a given number

Using what we have learnt today, can you answer the following questions?

Q1.Mrs Crane has completed the following number line, is she correct?

1/5

Q2.Mrs Crane has completed the following number line, is she correct?

2/5

Q3.Complete this function machine by deciding if you need to subtract 10, 100 or 1000

3/5

Q4.Complete this function machine by deciding if you need to subtract 10, 100 or 1000

4/5

Q5.I think of a number. I subtract 100, then subtract 1000. My answer is 3450. What was my number?

5/5

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:

Finding 10, 100 or 1000 less than a given number

Using what we have learnt today, can you answer the following questions?

Q1.Mrs Crane has completed the following number line, is she correct?

1/5

Q2.Mrs Crane has completed the following number line, is she correct?

2/5

Q3.Complete this function machine by deciding if you need to subtract 10, 100 or 1000

3/5

Q4.Complete this function machine by deciding if you need to subtract 10, 100 or 1000

4/5

Q5.I think of a number. I subtract 100, then subtract 1000. My answer is 3450. What was my number?

5/5

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

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Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Jog

On the spot:
Dance

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

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