### General

**Welcome to****Mrs. Ortinau's****7th Grade Math Class!**

Page path # 7th Grade Math: Mrs. Ortinau

- General
### General

**Welcome to****Mrs. Ortinau's****7th Grade Math Class!**

- Homework
### Homework

**The weekly homework assignments are listed here.**Need help on homework or studying for an upcoming test? Our NJHS has started study tables after school from 3-4pm on Tuesdays and Thursdays in Mrs. Brown's room! Two eighth grade tutors will be available during each session.

- 7th Grade Team Information
### 7th Grade Team Information

- Online Math Textbook- 7th Grade
### Online Math Textbook- 7th Grade

The access code for the 7th grade book is: B243A2F482

- 7th Grade Math Ch. 9: Probability Resources
### 7th Grade Math Ch. 9: Probability Resources

Below you will find tools (blog, class presentations, videos, websites) to enhance your understanding of Chapter 9 concepts. The SMARTBoard lessons that are presented in class are here in PDF format. Please keep in mind that these files will not be interactive like the class presentations due to the PDF format.

This website offers A TON of videos and practice problems related to probability. You can find these problems in the "Statistics & Probability Section": Basic Probability, Probability Models, and Compound Events & Sample Spaces are all sections that are available for students throughout this unit. Please use these resources throughout the unit.

This resource helps you understand the likelihood of different events using a random bouncy ball-picking machine. For example, How likely is i that a blue or a red bouncy ball is picked?

This online exercise explores experimental probability and provides practice problems.

This link takes you to a site dedicated to dependent events. The site explains the events using different experiments. Then, it provides you with practice opportunities.

This link takes you to Virtual Nerd's Videos. Once there, click "Probability and Statistics".

*Lesson 9-1: Simple Events: Click "Probability." Watch the videos: "How do you find the probability of a simple event?" and "What is probability"

*Lesson 9-2: Sample Spaces: Click "Finding Outcomes." What the videos: "What is a Sample Space?" and "How do you determine all the possible outcomes of an experiment?" and "How do you use a tree diagram to count the number of outcomes in a sample space?"

*Lesson 9-3: The Fundamental Counting Principle: Click "Finding Outcomes." Watch the video: "What is the Fundamental Counting Principle?" and "How do you use the Fundamental Counting Principle to count the number of outcomes in a sample space?"

*Lesson 9-4: Permutations: Click "Finding Outcomes." Watch the videos: "What is a permutation?" and "How do you find a number of permutations using the Fundamental Counting Principle?"

This site explains the Fundamental Counting Principle and includes a 5 question quiz at the end where you can test your understanding!

This site explains the difference between Permutations and Combinations! The end of the page also includes 10 practice problems that explain the answers, too!

This link will take you to a site that has practice problems involving permutations. If you are struggling, you can click on "I'd like a hint".

This link takes you to a site where you can practice Combination problems. If you're struggling, you can click "I'd like a hint" for help!

You can also click on the left of the site to practice combinations and permutations problems!

This website explains the difference between Theoretical and Experimental Probability.

This site has practice problems involving Compound Events. There is also an "I'd like a hint" button that you can click for help!

This site focuses on explaining compound events. There are also practice problems and an included answer key to review the concepts!

- Pre-Algebra Ch. 11 Distance and Angle Unit
### Pre-Algebra Ch. 11 Distance and Angle Unit

Below you will find tools (blog, class presentations, videos, websites) to enhance your understanding of Chapter 11 concepts. The SMARTBoard lessons that are presented in class are here in PDF format. Please keep in mind that these files will not be interactive like the class presentations due to the PDF format.

This link will take you to the Educanon website where you will need to use your username and password to log-in. You will need to watch the videos before the deadline, but then you can continue watching them afterwards, too, for review. Enjoy!

Videos that have been posted for this week include the following:

*Classifying Quadrilaterals

*Area of a Trapezoid

*Area of a Circle's Sector

*Area of Composite Figures

This site provides an interactive example of a transversal and parallel lines. You can use it to review corresponding angles, alternate interior, and alternate exterior angles and the relationships!