Help Video on Subtracting Integers

March 20th and 21st - Investigation 3.1 and 3.2

Investigation 3.1 - Introducing Multiplication of Integers

The goals of today's lesson:

• Use a number line and motion model to develop the relationship between repeated addition and multiplication with integers
• Develop and use algorithms for multiplying integers.

Some of the algorithms uncovered by our students were:

• When two factors have the same sign then the product is positive.
• When two factors have opposite signs the product is a negative number.

Investigation 3.2 

Here is a video showing a different method of understanding the multiplication of integers using a pattern method.

Math this Week - 27th, 28th, and 1st of March

We worked through Investigation 1.  Students were aquatinted with number lines, read thermometers and how to use the chip model to work with adding and subtracting positive and negative integers.

Here is a cool interactive link working with the chip model.
Click here to access.  You will need to open this in Safari!

Here is a good link to Math is Fun on Number Lines.

Thursday January 24th - Investigation 3.3

In this next Investigation 3.3 students are comparing and scaling unit rates.
Specifically they were faced with two different cd deals.
The students were tasked with scaling down the deals to a unit rate and then creating an equation out of that unit rate (this is review from Variables and Patterns our first Unit).

Here is a helpful video if you want to watch more on Unit Rates.
Video 1 - Unit Rates
Video 2 - Comparing Unit Rates

Wednesday January 16th - Scaling Ratios

Hi kids - for class today here are some related videos:

Review how to write proportions

Finding and unknown in a proportion

Finding an unknown ratio value using equivalent proportions.

Wednesday October 24th - Class Work and Helpful Videos

Today we started off by reviewing Investigation 4.1 a-c on page 86 of the text.
Then, students completed ACE problem #1 and #12.  Please see the following videos below for any help that you need.





After checking these answers with Mr. Cuthbert, the students completed ACE 4 and 6 which will be homework if they do not finish in class.

How to graph two operation equations

The following video details how to take a word problem or scenario and convert it into a rule. Then take the rule and convert it into an equation with two operations that can be entered into the Interactive Graph-it Program. Use this video to review the work we have completed in Variables and Patterns Investigation #3.2.

One operation equtions and graphing video

The following video details how to take a word problem or scenario and convert it into a rule. Then take the rule and convert it into an equation that can be entered into the Interactive Graph-it Program. Use this video to review the work we have completed in Variables and Patterns Investigation #3.