Today we continued our exploration of Lesson 13. In class our focus was on strategies for showing our work. This was because your homework from Lesson 12 contained A LOT of mistakes. Most of these mistakes resulted from skipping steps, making mental mistakes in your head, or not checking your work!
Everybody in class promised to show all of their work in a neat and organized manner on their homework if I agreed to edit the assignment and make it smaller.
Homework: Lesson 13: Skip 3 and 5
Please complete the following problems from the Lesson 11 Problem Set tonight for homework: 3 – 8, 15 – 18, and 19 – 24.
Everything we learned about today in class relates to equations. Tomorrow we will focus on inequalities (remember those?)
Please complete the following problems from your packet tonight for homework: Exercises 5 & 6 (page S.61), Problem Set 1, 2, and 9 – 14 (beginning on page S.63)
Please complete the following problems over Thanksgiving Break from lesson 10:
4 – 12, 14, 15, 17, 21, 22, 27 – 29, 33 – 35, 40 and 42.
Here are the answers to last night’s homework. This homework assignment represents the HARDEST part of tomorrow’s quiz: Solutions
Here is a cool piecewise function to think about tonight:
I need to order new copies of Geometers Sketchpad for the 7th grade class. The old version requires you to stick the CD into the laptop every time you run the program. The newer laptops don’t have a CD drive. Below is a copy of the volume purchase pricing. Make a piecewise-linear function to show how the cost of the function changes for purchasing up to 100 licenses. If the district currently has 90 7th graders, do you think that we should purchase 90 licenses? Why or why not?
Problem 1: SKIP a, i, q, r, t, v
Problem 2: You must do j, h, i, then pick 3 others.
Problem 3: Only do e, f, g
Problem 4: Just do it.
Today in class we added some complexity to our study of adding and subtracting polynomials.
Please complete the problems set beginning on page S.41 over the weekend for homework.
Today we reviewed some concepts associated with the Distributive Property of Multiplication, Associative Property, and Commutative Property (no N).
We used all of this to introduce the concept or “proof.” In mathematics, each step of a proof can only change one element and must be supported with logic and reasoning. While these problems are easy, and we are in the habit of chunking steps together, practicing how to organize a proof is a good skill to gain before tackling Geometry next year at NT.
HW 1 – 7 beginning on page S35.
When you get to 5 a tonight, there is a typo. xy = 1/37
Most of you completed problems 1 – 4 from Lesson 5 today in class.
If you didn’t, then you will have some homework over the weekend.
Put a lot of thought into graphing this story tonight for homework. We will begin class tomorrow by sharing your ideas.
Maya and Earl live at opposite ends of the hallway in their apartment building. Their doors are 50 feet apart. They each start at their door and walk at a steady pace towards each other and stop when they meet.
What would their graphing stories look like if we put them on the same graph? When the two people meet in the hallway, what would be happening on the graph? Sketch a graph that shows their distance from Maya’s door.