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# How to Teach Long Division

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Add a decimal point. If you are planning to calculate a precise answer rather than one with a remainder, you'll now need to move beyond whole numbers. When you've reached a point at which you are left with a number smaller than your divisor, add a decimal point to both the quotient and the dividend. In the example, since is a whole number, every digit after the decimal will be 0, making it Now you have more digits that can be brought down all of them zeroes.

Bring down a zero and continue as before, determining how many times the divisor can go into the new number. Add that number 6 to the quotient above the dividend and after the decimal point.

Then multiply 6 by 6, and subtract the result from You should end up with 4 again. In some cases, you will find that when you start to solve for the decimal, the answer repeats over and over. At this point, it's time to stop and round your answer up if the repeating number is 5 or greater or down if it is 4 or less. In the example, you could keep getting 4 out of forever, and add 6's to your quotient indefinitely.

Instead of doing this, stop the problem and round the quotient. Because 6 is greater than or equal to 5, you would round up to Alternatively, you can indicate a repeating decimal by placing a small horizontal line over the repeating digit.

However, you can make it easier on yourself by chopping off the zeros. The answer must have the zeros on before you check your work. Not Helpful Helpful The same way as in the article, but take away the decimal point. Just remember to put the point back in the same place. Not Helpful 64 Helpful Move everything over so there are no decimals, then put the decimal point back in. It helps to have a rough idea of the answer estimate for putting the decimal point in the proper place.

Not Helpful 73 Helpful What if the dividend isn't a whole number when working out decimal points? At the end of each whole number, there is a repeating 0. Multiply 47 by any number until you get as close as possible to Then continue the steps. What if the dividend is a whole number when working out decimal points?

There is an implied decimal point just to the right of the whole-number dividend, and the decimal point in the quotient sits immediately above the implied decimal point in the dividend. Not Helpful 49 Helpful First eliminate the dollar sign, because the question as stated makes no sense.

Then move the decimal point two places to the right in both divisor and dividend. Thus you divide into ,, Not Helpful 66 Helpful That is where the 1 was from. If the number you're trying to divide is odd like, say, 33 , then you can't divide it evenly by two. Wanna know if you can divide a number evenly by three? Just add up all the digits until you have a single number. If THAT number is divisible by three, so is the original number. Three is definitely divisible by three , so you know that is too.

The rule for dividing by four is the same as for dividing by two - only you have to do it twice. If you want to divide 88 by 4, you simply halve 88 which is 44 and then halve that number which, in this case, is Half of 12 is six and half of six is three - so your answer is three. If you want to know whether a number can be evenly divided by five you just need to look at the number's last digit. If the last digit is a zero or a five, then the number is divisible by five.

Since 23 ends in three, it isn't divisible by five. Now it will certainly meet the expectations of my professor! You guys are great! All my questions were answered in a timely manner and now I know what to do if any problems with academic writing arise - ask you for help! Thanks a bunch, you saved my neck!!!

## Main Topics

Help With Long Division. If you're stuck on a long division homework assignment, you might just need a refresher on the long division process. However, you may also be struggling due to lack of organization or minor math errors. How to Do Long Division. Long division of whole numbers follows a specific pattern.

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Division Tips - Dividing By One. This one's a cinch. You wanna divide a number by one, do you? Easy. Take the number - say 1, - and that's it. That's your answer. / 1 = 11 / 1 = 1,, / 1 = 1,, And you thought this was hard? Phhhh. Division Tips - Dividing By Two. When you divide something by two, you simply cut it .