# Applying number bonds within ten to add and subtract

In this lesson, we will be adding and subtracting 2 digit numbers without regrouping by using our number bond knowledge and using visual representations of place value.

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.There will be more number bonds for 7 than 8

1/4

Q2.There will be fewer number bonds for 5 than 7

2/4

Q3.Each number can be split into 1 whole and 2 parts

3/4

Q4.4 + 5 and 5 +4 count as the same number bond

4/4

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.There will be more number bonds for 7 than 8

1/4

Q2.There will be fewer number bonds for 5 than 7

2/4

Q3.Each number can be split into 1 whole and 2 parts

3/4

Q4.4 + 5 and 5 +4 count as the same number bond

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.

Quiz:

# Applying number bonds within ten to add and subtract

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 3 plus 4 is equal to 7, then I know 3 tens plus 4 tens is equal to 70.

1/4

Q2.'Counting in ones' is the most efficient way of counting

2/4

Q3.If I know that 6 = 4 + 2 and 5 = 3 + 2, then I can use these facts and say that 65 - 42 = 23.

3/4

Q4.'Counting all' is the most efficient way of counting

4/4

Quiz:

# Applying number bonds within ten to add and subtract

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 3 plus 4 is equal to 7, then I know 3 tens plus 4 tens is equal to 70.

1/4

Q2.'Counting in ones' is the most efficient way of counting

2/4

Q3.If I know that 6 = 4 + 2 and 5 = 3 + 2, then I can use these facts and say that 65 - 42 = 23.

3/4

Q4.'Counting all' is the most efficient way of counting

4/4

# Lesson summary: Applying number bonds within ten to add and subtract

## 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