# Deriving New Facts From Number Bonds (Part 1)

In this lesson, we will investigate and find new facts from number bonds. We will investigate the effect of adding and subtracting 1 to numbers in a calculation, and the effect of adjusting the place value of digits.

#### 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.Which of these equations are linked to the number 6 (select 1)

1/4

Q2.'One ten and three ones' is a representation of the number... (Select 1)

2/4

Q3.'Double 4' is a representation of the number 8 (Select 1)

3/4

Q4.Which of these equations represent 10? (Select 1)

4/4

#### 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.Which of these equations are linked to the number 6 (select 1)

1/4

Q2.'One ten and three ones' is a representation of the number... (Select 1)

2/4

Q3.'Double 4' is a representation of the number 8 (Select 1)

3/4

Q4.Which of these equations represent 10? (Select 1)

4/4

# 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:

# Deriving Facts From Number Bonds

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

Q1.If I know that 2 + 9 = 11, then I know... (select 1)

1/6

Q2.If I know that 4 + 5 = 9, then I know (select 1)

2/6

Q3.If I know that 9 + 7 = 16, then I know (select 1 )

3/6

Q4.If I know that 2 + 11 = 13, then I know (select 1)

4/6

Q5.If I know that 5 + 3 = 8, then I know... (select 1)

5/6

Q6.If I know that 6 + 2 = 8, then I know... (select 1)

6/6

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

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

# Deriving Facts From Number Bonds

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

Q1.If I know that 2 + 9 = 11, then I know... (select 1)

1/6

Q2.If I know that 4 + 5 = 9, then I know (select 1)

2/6

Q3.If I know that 9 + 7 = 16, then I know (select 1 )

3/6

Q4.If I know that 2 + 11 = 13, then I know (select 1)

4/6

Q5.If I know that 5 + 3 = 8, then I know... (select 1)

5/6

Q6.If I know that 6 + 2 = 8, then I know... (select 1)

6/6

# Lesson summary: Deriving New Facts From Number Bonds (Part 1)

## Time to move!

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

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance