There is a trick to help with subtraction questions that have the number 9 in them.

If you are subtracting the number 9 from any number, the number that is part of the answer will always be one less than that number from the question.

For example, if you are subtracting 18-9, then the answer will be 9.

12-9=3

16-9=7

If you are subtracting the number 9 from any number, the number that is part of the answer will always be one less than that number from the question.

For example, if you are subtracting 18-9, then the answer will be 9.

12-9=3

16-9=7

Many people think that subtraction is a lot more difficult than addition. If you also feel this way, try using the subtraction by addition method- that you just learned -to get more comfortable with subtracting.

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