Solving subtraction equations

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

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.

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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 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

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 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

Play 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:

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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:

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

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:

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

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