# Decimals and measures: calculation and conversion of units of area

In this lesson, we will be investigating the relationship between square millimetres, centimetres and metres, then apply this understanding to calculating area.

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.Calculate the area of the parallelogram.

1/3

Q2.Calculate the area of the triangle.

2/3

Q3.A shape is made up of 12 congruent equilateral triangles, with base 3.4 cm and height 2.9 cm. What is the total area of the shape?

3/3

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.Calculate the area of the parallelogram.

1/3

Q2.Calculate the area of the triangle.

2/3

Q3.A shape is made up of 12 congruent equilateral triangles, with base 3.4 cm and height 2.9 cm. What is the total area of the shape?

3/3

# 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.

Quiz:

# Solve problems involving the conversion of units of area - Quiz

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

Q1.Calculate the area of the triangle.

1/3

Q2.Calculate the area of the parallelogram.

2/3

Q3.Calculate the area of the rectangle in mm².

3/3

Quiz:

# Solve problems involving the conversion of units of area - Quiz

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

Q1.Calculate the area of the triangle.

1/3

Q2.Calculate the area of the parallelogram.

2/3

Q3.Calculate the area of the rectangle in mm².

3/3

# Lesson summary: Decimals and measures: calculation and conversion of units of area

## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Dance