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 by Sabrina teacher: Professor McGonagall

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Division Problem Professor McGonagall is really getting annoying with the division we are doing:)
Today she started us off with 38028/4(She said that the / means divided by so)

To make up a really good BIG division problem you have to think of the multiplues of the number that you are dividing by. In this case it's 4 so now you think of the basic facts of 4

The only pairs that I split the number into are
36000/4
2000/4
28/4=7
I got those because 38 can be split into 36 with 2 left over.
I got the 20 from the left over 2 from the 38 and the 0 in 38028.
Lastly I got the 28 from the last two numbers in 38028.

To figure out 36000 I started with 36 and built up.
36/4=9
360/4=90
3600/4=900
36000/4=9000
So to start out with a 9000. Now I do the same with the 2000 and 28.

I start with 20 and...
20/4=5
200/4=50
2000/4=500
...you have a 500 and a 9000=9500

Then you do the same with the 28...
28/4=7
and you have a 9000, 500 and a 7. Add them all up and you get 9507. Do you get it?
That is a really long way to division even though long division is doing all that in only a little work.

Article posted February 26, 2008 at 11:51 AM • comment (1) • Reads 1475 • Return to Blog List

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Posted Comments

wow that is a very good problem! ZIPADEDOODA TO SABRINA!!!!!!!!!
Comment Posted on February 27, 2008 at 04:49 PM by violet

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