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# Exploring strategies to add three 1-digit numbers

In this lesson, we will be apply our knowledge of strategies such as number bonds to 10 and 20, doubles and near doubles to add three 1-digit numbers.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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

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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!

Q1.What number fact will help us to solve 51 + 43?

1/4

Q2.What number fact will help us to solve 69 - 25?

2/4

Q3.What is 45 + 13?

3/4

Q4.Thirty Two add Twenty Seven is equal to _______

4/4

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

#### 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.What number fact will help us to solve 51 + 43?

1/4

Q2.What number fact will help us to solve 69 - 25?

2/4

Q3.What is 45 + 13?

3/4

Q4.Thirty Two add Twenty Seven is equal to _______

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.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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

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

# Exploring strategies to add three 1-digit numbers

Quiz

Q1.3 + 2 + 4 = _____

1/5

Q2.4 + 6 + 2 = _____

2/5

Q3.5 + 6 + 4 = _____

3/5

Q4.Seven add two add three is equal to _____

4/5

Q5.Nine add one add six is equal to ____

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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

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

# Exploring strategies to add three 1-digit numbers

Quiz

Q1.3 + 2 + 4 = _____

1/5

Q2.4 + 6 + 2 = _____

2/5

Q3.5 + 6 + 4 = _____

3/5

Q4.Seven add two add three is equal to _____

4/5

Q5.Nine add one add six is equal to ____

5/5

# Lesson summary: Exploring strategies to add three 1-digit numbers

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## Time to move!

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For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga