# Solving subtraction equations

In this lesson, we will solve subtraction equations using different strategies.

#### 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 would the best strategy be to answer this question: 29 + 30 = ?

1/3

Q2.Which of the below shows 34 + 32 partitioned correctly?

2/3

Q3.27 + 30 =

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.What would the best strategy be to answer this question: 29 + 30 = ?

1/3

Q2.Which of the below shows 34 + 32 partitioned correctly?

2/3

Q3.27 + 30 =

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:

# Solving subtraction equations

Using what you have learnt today, can you answer the following questions?

Q1.Using the strategy, count back in tens, complete the equation: 43 - 20 =

1/3

Q2.59 + ? = 72

2/3

Q3.? = 32 - 20

3/3

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

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

# Solving subtraction equations

Using what you have learnt today, can you answer the following questions?

Q1.Using the strategy, count back in tens, complete the equation: 43 - 20 =

1/3

Q2.59 + ? = 72

2/3

Q3.? = 32 - 20

3/3

# Lesson summary: Solving subtraction equations

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga