MS Math Post – Sept 20-24, 2021

Be careful!  Don’t divide by zero!   🙂

This week we will miss a few math classes due to MAP testing.

6th Grade Math – Mrs. Evans

This week we will apply what we learned last week – finding the greatest common factor (GCF) and least common multiple (LCM).  We will use the GCF to rewrite products with the distribution property.  This is a tool that we will use often in algebra!    For students needing help with LCM or GCF, please visit last weeks video links.  Here is how finding the GCF can help us in using the distributive property. 

Math Grade Math – Mrs. Evans and Mrs. VonFeldt

This week we will practice adding and subtracting integers.  This skill is very important so we will make sure we have mastered it before moving on!  See last week’s post for a Math Antics video for some help.    One of the important lessons that we will apply this week is that, because addition and subtraction are opposites, we can rewrite problems like this:   

8 – 9 = 8 + (-9)     

8 – (-9)  =  8 + 9   

There are various strategies that we can use to help us add integers of same or different signs.  We can use counters, number lines or absolute values.  

8th Grade Math – Mrs. Ernest

This week the 8th graders are missing some of our classes due to Map testing, but that won’t stop them from demonstrating all they’ve learned about rational numbers in a short quiz! We have been reviewing multiplying, dividing, adding, subtracting and converting fractions. We have also grown more comfortable switching between fractions and decimals. Towards the end of this week, we will wrap up Chapter 1.1-1.4 and introduce concepts from Chapter 1.5. 

Here are some review resources:
Word problems with fractions:

Algebra – Mrs. VonFeldt

This week we explore what it means for one measurement to be more or less precise than another. This leads to a discussion of significant digits. Significant digits are the digits in a measurement that carry meaning contributing to the precision of the measurement. Students will learn the rules for adding/subtracting and multiplying/dividing using significant figures. This is especially important in today’s world of calculators that give values that go on and on and on…. Where should we stop and round our answers? Watch the following video for examples of why significant figures are useful:

We will also begin to look at mathematical relationships as functions. A function is a relationship in which each input is paired with only one output. The set of inputs of a function is called the domain of the function. The set of outputs is call the range. We will continue with our study of functions next week.

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