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Old 03-04-2011, 11:47 AM   #31
dangerboy
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I would like to know using one of my favorite quote from the Jerry Seinfield Show "Who was the ad wizard that came up with this one?" Who in the world thought it to be productive to have a child draw out 60 blocks to solve one long division math homework problem. WTF? No wonder my child only had 4 math questions. It was going to take him all night to draw out those little blocks. Nope. DB taught him his own method.

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Old 03-04-2011, 12:04 PM   #32
JenJen458
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Quote:
Originally Posted by Emma Caroline View Post
Please help with this 3rd grade math question

What Multiplication Fact Can Be Found By Using The Arrays For 2x 9 And 5x9?

I don't even understand the question!!!
My son is in 3rd grade also and I have a hard time trying to understand some of his math too.

Not sure if this is right but here is what I got math problems with a number times 9 would have digits that would equal 9 when added.

2x9=18 1+8=9
5x9=45 4+5=9
example 6x9=54 5+4=9

Hope that makes sense.
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Old 03-04-2011, 12:08 PM   #33
dangerboy
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is that 3rd grade math or a bar quiz question?
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Old 03-04-2011, 01:15 PM   #34
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I don't know--I just put a circle around it and told him to ask his teacher. By the way--this was supposed to be a review sheet--I guess we should start going to school on weekends since having that break made him not be able to reatin that info
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Old 03-04-2011, 01:31 PM   #35
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is that 3rd grade math or a bar quiz question?

funny!

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