Numbers: An introduction to subtraction
Numbers: An introduction to subtraction

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Numbers: An introduction to subtraction

5 Example of a straightforward subtraction

In the example below of a straightforward subtraction, in every column the digit at the top of the column is bigger than the digit at the bottom. Click on each step in turn to see how to carry out the calculation.

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Click on ‘Now read the discussion’ to see all the individual steps at once.

Activity 1

Discussion

Discussion

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When you do any subtraction, you can check to see if your answer is correct by adding your answer to the number you subtracted. You should get the number you started with. In this example 323 + 52 gives 375.

So the answer in the above example is correct.

Sub_1

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