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Welcome to my math blog! The purpose of this blog is to help you stay informed about our learning and experiences that have taken place during our math class. I have also included links your child (and you) may want to use in order to supplement math learning in 5th grade.

Thursday, October 17, 2013

Estimating with Compatible Numbers

Our topic today was compatible numbers (as shown above).  We focused on note-taking and making a foldable in class and will use this information starting tomorrow when we begin our unit on division.

To begin, we made another foldable titled "Zero Is A Hero:  Division".  One half of the paper focused on estimating quotients to division problems with one digit divisors.  I made a video of this session and it is available on youtube at:  Zero Is A Hero: Division (part 1).

The second portion of the foldable focused on estimating quotients with division problems with multiple digit divisors.  This second video is also available on youtube at:  Zero is a Hero: Division (part 2)

Compatible numbers are extremely helpful when we work with division using multiple digit divisors.  It will help determine a reasonable starting place.

Homework:  xtramath.org

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