# Convert large standard form numbers to ordinary form

In this lesson, we will convert standard form numbers with positive powers of ten into ordinary numbers

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Work out the missing index number for the calculation 2.650 x 10ⁿ = 2,650

1/3

Q2.Write one million in standard form.

2/3

Q3.Write 280,000 in standard form.

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Work out the missing index number for the calculation 2.650 x 10ⁿ = 2,650

1/3

Q2.Write one million in standard form.

2/3

Q3.Write 280,000 in standard form.

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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Convert large standard form numbers to ordinary form

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

Q1.Why is 78.12 x 10⁵ not a standard form number?

1/3

Q2.Write 5.81 x 10⁶ in ordinary form.

2/3

Q3.Which number is smaller? 3 x 10⁴ or 4 x 10³

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Convert large standard form numbers to ordinary form

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

Q1.Why is 78.12 x 10⁵ not a standard form number?

1/3

Q2.Write 5.81 x 10⁶ in ordinary form.

2/3

Q3.Which number is smaller? 3 x 10⁴ or 4 x 10³

3/3

# Lesson summary: Convert large standard form numbers to ordinary form

## 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