# Random Sampling

This lesson looks at using quadrats to carry out random sampling, how to write a method and calculating means.

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!

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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!

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# 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:

# Random Sampling

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

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## Q4.Which TWO ways would increase accuracy when using quadrats to count the number of plants?

Select two (2) boxes

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Quiz:

# Random Sampling

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

1/8

2/8

3/8

## Q4.Which TWO ways would increase accuracy when using quadrats to count the number of plants?

Select two (2) boxes

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6/8

7/8

8/8

# Lesson summary: Random Sampling

### 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

### Take part in The Big Ask.

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