In this lesson we will use the formal written method to add decimal numbers and correct mistakes made with this method.

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!

1/5

2/5

## Q3.If I know 4 + 5 = 9, then I know... (pick two)

Select two (2) boxes

3/5

## Q4.If I know 15 + 4 = 19, then I know... (pick two)

Select two (2) boxes

4/5

5/5

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!

1/5

2/5

## Q3.If I know 4 + 5 = 9, then I know... (pick two)

Select two (2) boxes

3/5

## Q4.If I know 15 + 4 = 19, then I know... (pick two)

Select two (2) boxes

4/5

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.

Quiz:

Use all your knowledge and skill from the lesson to complete these addition calculations. You can do this!

1/5

2/5

3/5

4/5

## Q5.True or false: 2.900 + 0.139 = 3.39

5/5

Quiz:

Use all your knowledge and skill from the lesson to complete these addition calculations. You can do this!

1/5

2/5

3/5

4/5

## Q5.True or false: 2.900 + 0.139 = 3.39

5/5

### 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.

The Children's Commissioner for England wants to know what matters to young people.