Week of October 27-31

Since some of our 5th graders were at Camp Bernie this week, we took at break from our "What Are Your Chances" book and did a Cheerios Investigation related to probability.  You can click on the link below to get more information about the activity.

http://mathwire.com/data/cheerios.pdf

HW: For those of you who were in class, finish the letter and share it.  For those of you who were at Camp Bernie, just make sure you have p. 43 completed by Monday.

In 4th grade, we learned how to use the substitution method to solve equations that go together.  Although we were tempted to use guess and check for some of the more difficult problems, by the end of class, we realized that we never had to guess when using the substitution method.  Here is a link to some practice problems using substitution:

http://flexmath.ck12.org/lesson/algebra/substitute-to-solve-a-system-of-equations/presentation

HW: p. 49 and 51

Classes 3a and 3b learned about the volume of rectangular solids this week.  The volume is the amount of space occupied by a three-dimensional object often measured in cubic units.  We learned that, in addition to the dimensions of length and width, we also need to consider a 3rd dimension of height when figuring out volume.  We used connecting cubes to make pieces of cake and figured out how many pieces would fit into cake pans of varying sizes.  The video below gives a clear explanation of what we learned:

HW: p. 67

Class 3c learned about liquid measurement and volume today.  We figured out how much lemonade we would need for a class party by converting from one unit to another.  The following picture helped us with our conversions: 

HW: p. 59 and 61