# Subtracting using the column method

In this lesson, we will use the column method to subtract two four digit numbers where regrouping is required in one column.

#### 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.My equation is 4586 + 4815 = ... which is the best estimate to make before I calculate my answer?

1/5

Q2.My equation is 5592 + 1564 = ... which is the best estimate to make before I calculate my answer?

2/5

Q3.From the following equations, which equation requires regrouping in TWO columns?

3/5

Q4.From the following equations, which equation requires regrouping in the tens and hundreds column?

4/5

Q5.One of the digits in this column addition is missing, what is the missing digit?

5/5

#### 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.My equation is 4586 + 4815 = ... which is the best estimate to make before I calculate my answer?

1/5

Q2.My equation is 5592 + 1564 = ... which is the best estimate to make before I calculate my answer?

2/5

Q3.From the following equations, which equation requires regrouping in TWO columns?

3/5

Q4.From the following equations, which equation requires regrouping in the tens and hundreds column?

4/5

Q5.One of the digits in this column addition is missing, what is the missing digit?

5/5

# 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.

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

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

# Subtracting using the column method

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

Q1.For the following equation: 5762 - 4031 = ... which is the most appropriate estimate?

1/5

Q2.For the following equation: 8371 - 6124 = ... which is the most appropriate estimate?

2/5

Q3.In the following equation: 8624 - 3711 = ... which column requires regrouping?

3/5

Q4.In the following equation: 6744 - 2481 = ... which column requires regrouping?

4/5

Q5.Mrs Crane has made a mistake in the following calculation. What has she done wrong?

5/5

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

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

# Subtracting using the column method

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

Q1.For the following equation: 5762 - 4031 = ... which is the most appropriate estimate?

1/5

Q2.For the following equation: 8371 - 6124 = ... which is the most appropriate estimate?

2/5

Q3.In the following equation: 8624 - 3711 = ... which column requires regrouping?

3/5

Q4.In the following equation: 6744 - 2481 = ... which column requires regrouping?

4/5

Q5.Mrs Crane has made a mistake in the following calculation. What has she done wrong?

5/5

# Lesson summary: Subtracting using the column method

## Time to move!

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For 5 mins...

Move around:
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On the spot:
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