Cutting and combining shapes

In this lesson, you will analyse the effect of cutting, moving and combining shapes on area and perimeter.

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.Fill in the gap: Area is a measure of the __________ inside the boundary of a shape.

1/5

Q2.Fill in the gap: We can use different ____________ to record the area of a shape.

2/5

Q3.Fill in the gap: Shape A has an area of ________ square units.

3/5

Q4.Fill in the gap: Shape B has an area of 12 ____________ units.

4/5

Q5.What is the area of this shape?

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.Fill in the gap: Area is a measure of the __________ inside the boundary of a shape.

1/5

Q2.Fill in the gap: We can use different ____________ to record the area of a shape.

2/5

Q3.Fill in the gap: Shape A has an area of ________ square units.

3/5

Q4.Fill in the gap: Shape B has an area of 12 ____________ units.

4/5

Q5.What is the area of this shape?

5/5

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.

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:

Cutting and combining shapes quiz

Show what you've learned!

Q1.Fill in the gap: When we __________ two or more shapes we form a new shape.

1/5

Q2.Fill in the gap: The area of the new shape will be the ________ of the areas of the original shapes.

2/5

Q3.Fill in the gap: The perimeter of the new shape will be ________ than the sum of the perimeters of the original shapes, and varies depending on how we combine them.

3/5

Q4.Which letter represents the number 12?

4/5

Q5.Which letter represents the number 10?

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:

Cutting and combining shapes quiz

Show what you've learned!

Q1.Fill in the gap: When we __________ two or more shapes we form a new shape.

1/5

Q2.Fill in the gap: The area of the new shape will be the ________ of the areas of the original shapes.

2/5

Q3.Fill in the gap: The perimeter of the new shape will be ________ than the sum of the perimeters of the original shapes, and varies depending on how we combine them.

3/5

Q4.Which letter represents the number 12?

4/5

Q5.Which letter represents the number 10?

5/5

Lesson summary: Cutting and combining shapes

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Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga

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