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1. Subtraction is easily identified as a line for example like this: -

2. It is basically the opposite of addition.

3. The answer will only be a positive number if the top is bigger than the bottom.

4. If you know how to subtract from 0-9 than you will know how to subtract higher numbers.

5. Subtraction is one of the first things you will learn.

6. If you can't do subtraction you will be confused with other maths.

7. Subtraction is one of the main 4 processes of calculation.

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12y ago
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Q: What are facts about subtraction?
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