files/ ColinWe -- Blogmeister
 Hook 'em horns Grizzly We are a group of 7th graders from Colorado who want to practice our writing and communication skills. We are excited to expand the walls of our classroom and collaborate with other classes! Please leave us comments and your blog URL, so we can respond back to you!
 by ColinWe teacher: Mrs. Lubich

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Math? Huh?

Although this video was tricky to figure out, I finally got it. What happened was that they did not “carry over”. The easiest way for me to explain this is by addition. If you have a lot of numbers like they did you have to do something special when you add. First you add the ones column. If the sum is more than ten you carry the tens value over to the tens column. What they did wrong is that they counted what should’ve been tens as ones. Another set of numbers that could work is 4x16=28; this is not true because 16x4 really equals 64.

Article posted September 22, 2011 at 10:19 PM • comment (1) • Reads 1715 • Return to Blog List

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