# Subtracting using the column method, when multiple columns require regrouping

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

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.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

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.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

# Video

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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.

Quiz:

# Subtracting using the column method when multiple columns require regrouping

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

Q1.Mrs Crane wants to make an estimate before she calculates her equation. Her equation is 3569 - 2407 = ... Which of the following is the best estimate?

1/5

Q2.Mrs Crane wants to make an estimate before she calculates her equation. Her equation is 3972 - 1963 = ... Which of the following is the best estimate?

2/5

Q3.In this equation: 3792 - 1909 = which two columns require regrouping?

3/5

Q4.In this equation: 9764 - 2589 = which two columns require regrouping?

4/5

Q5.Some of the digits are missing from the equation below. What are the missing digits?

5/5

Quiz:

# Subtracting using the column method when multiple columns require regrouping

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

Q1.Mrs Crane wants to make an estimate before she calculates her equation. Her equation is 3569 - 2407 = ... Which of the following is the best estimate?

1/5

Q2.Mrs Crane wants to make an estimate before she calculates her equation. Her equation is 3972 - 1963 = ... Which of the following is the best estimate?

2/5

Q3.In this equation: 3792 - 1909 = which two columns require regrouping?

3/5

Q4.In this equation: 9764 - 2589 = which two columns require regrouping?

4/5

Q5.Some of the digits are missing from the equation below. What are the missing digits?

5/5

# Lesson summary: Subtracting using the column method, when multiple columns require regrouping

## Time to move!

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