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Tuesday, October 22, 2013

More with Factor Trees, LCM and GCF!

We were really busy in class today, but we accomplished a lot!!!

We reviewed last night's homework, tried a challenge problem, worked on GCF and LCM word problems and some of us even got to play a LCM game online!

Take a look at the problems and work from class below and then try the snowball game yourself!

Snowball game:

Tonight's homework is to complete both sides of the prime, composite and factorization worksheet.  Numbers 1-9 should just be identifying if the number is prime (only factors are one and itself) or composite (more factors than just one and itself.)  Numbers 10-19 are factor trees just like the examples above and number 20 is like a factor tree in reverse.  I gave you the factorization, use those numbers to figure out what the original number was!

Tomorrow we will spend a bit of time working on factorization, LCM and GCF, but then we will begin multiplying and dividing fractions!  (It sounds scarier than it actually is!)

-Miss K  :)

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