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Q: Multiply one digit number by a two digit number?

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Multiply the three-digit number by the one's digit, or last digit, of the two-digit number. That is your first part. Now multiply by the second-to-last digit, or ten's digit, and multiply the result by 10. That is your second part. Add the two parts and that is your answer.

Here are two examples

You put the four digit number at the top of the three digit number and you do the same thing as you would do with a two digit number with a 3 digit number.

Divide the two-digit number by the one-digit number. If the remainder is zero then the 2-digit number is a multiple and if not, it is not.

A one digit number is a number with only one number. For example: 12 is a two digit number. It has two numbers. 3 is a one digit number because it only has one number.

17 \

13

2.3

To multiply two digit numbers, multiply each place value of a factor by each place value digit and add the results.

Almost all of the two digit composite numbers have two one digit factors that have a sum.

-99

Take the smallest 2-digit number (10), and see how many digits you get when you multiply it by itself.Also, take the largest possible 2-digit number (99), and see how many digits you get when you multiply it by itself.

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