Subtract Numbers Using a Written Method

In this worksheet, students will use a formal written method to subtract numbers with 1 and 2 digits.

Key stage:  KS 2

Curriculum topic:   Number: Addition and Subtraction

Curriculum subtopic:   Use Written Addition/Subtraction to Three Digits

Difficulty level:

Worksheet Overview

When we are asked to subtract numbers such as 15 - 5, we can sometimes work out the answer in our heads.

However, when we are given questions with bigger numbers, we might need to use a written method.

In this activity, we'll look at the columnar method to subtract numbers.

Let's have a look at how we can use the method to subtract:

66 - 44

First, we write the numbers in columns under the correct unit (T = tens, O = ones ).

T O

6 6

4 4

We need to write a subtraction symbol next to the columns to tell us that we are subtracting in this calculation!

Starting at the right-hand column (ones), we subtract the bottom number from the top and write the answers underneath.

T O

6 6

4 4

2 2

66 - 44 = 22

Here's another example:

H O

7 9

0 4

7 5

79 - 4 = 75

We must remember to put each digit into the correct column or the answer will be wrong!

In this question, we could put a zero in the tens column if it helps.

Are you ready to have a go at some questions now?​

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