### 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 Chapter 7: Applying Percents
### 7th Grade Math Chapter 7: Applying Percents

Below you will find tools (blog, class presentations, videos, websites) to enhance your understanding of Chapter 7 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 takes you to Virtual Nerd's Videos. Once there, click "7th Grade" then "Ratios and Proportions" then "Analyze proportional relationships and use them to solve real-world and mathematical problems" then " Use proportional relationships to solve multistep ratio and percent problems". There are 25 videos in this section. Watch them with the following lessons:

*Lesson 7-1: Percent of a Number: Watch the video: "How do you figure out a percent from a part to whole ratio?"

*Lesson 7-2: The Percent Proportion: Watch the videos: "How do you set up a percent proportion from a word problem?" and "How do you solve a word problem using a percent proportion?"

*Lesson 7-3: Percent and Estimation: Watch the video: "How do you estimate a sale price?"

*Lesson 7-4: The Percent Equation: Watch the video: "How do you use an equation to find a part of a whole?"

*Lesson 7-6: Percent of Change: Watch the videos: "What's a percent of Change?" and "How do you figure out whether a percent of change is an increase or a decrease?" and "How do you figure out a percent of change?"

*Lesson 7-7: Sales Tax and Discount: Watch the video: "How do you figure out sales tax?" and "How do you figure out how much something is marked down?"

*Lesson 7-8: Simple Interest: Watch the videos: "What is the formula for simple interest?" and "How do you use the formula for simple interest?"

**Other videos to watch involve the topics of figuring out a tip or marking prices up.

This website offers several videos and practice problems related to percents: discount, tax, tip, markup, and commission word problem examples.

- 7th Grade Math Chapter 8: Data Analysis Resources
### 7th Grade Math Chapter 8: Data Analysis Resources

Below you will find tools (blog, class presentations, videos, websites) to enhance your understanding of Chapter 8 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.

The videos listed below can all be found on your Educanon Account. Remember that these videos are interactive and involve questions that help you review important concepts.

*Ratios on Parade (Lesson 8-1) (About 4 minutes)

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

*Lesson 8-1: Line Plots: Click "Frequency Tables and Line Plots." Watch the video: "How do you make a frequency table?"

*Lesson 8-2: Measures of Central Tendency: Click "Mean, Median, Mode, and Range." There are 7 different videos that you can watch in this section.

*Lesson 8-4: Bar Graphs and Histograms: Click "Frequency Tables and Line Plots." Watch the video: "How do you make a Histogram?"

*Lesson 8-6: Using Graphs to Predict: Click "Graphs and Data Displays." Watch the video: "How do you use a line graph to make predictions?"

- Pre-Algebra Chapter 8 Resources
### Pre-Algebra Chapter 8 Resources

Below you will find tools (blog, class presentations, videos, websites) to enhance your understanding of Chapter 8 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 takes you to Virtual Nerd's Pre-Algebra Videos. Once there, click "Percents" then follow the directions below:

*Lesson 8-1: Functions: Click "Linear Functions and Graphing" then "Functions". There are 8 videos on this topic!

*Lesson 8-2: Sequences and Equations: Click "Linear Functions and Graphing" then, "Linear Equations" then "Introduction to Linear Equations. There are 6 videos on this topic!

*Lesson 8-3: Representing Linear Functions: Click "Linear Functions and Graphing" then "Linear Equations". There are two different topics with videos in this section.

*Lesson 8-4: Rate of Change: Click "Linear Functions and Graphing" then "Rate of Change and Slope" then "Rate of Change". There are 3 videos on this topic!

*Lesson 8-5: Constant Rate of Change: Click "Linear Functions and Graphing", then "Rate of Change and Slope" then "Rate of Change. There are 3 videos on this topic!

*Lesson 8-6: Slope: Click "Linear Functions and Graphing", then "Rate of Change and Slope", then "Slope Definitions or Finding Slopes". There are 9 videos in this section!

*Lesson 8-7: Slope Intercept Form: Click "Linear Functions and Graphing" then "Simple Interest". There are 2 videos on this topic! Also, click "Compound Interest". There are 2 videos in this section, too!

*Lesson 8-8: Writing Linear Equations: Click "Linear Functions and Graphing" then "Linear EQuations". There are 2 sections of videos on this topic!

*Lesson 8-9: Prediction Equations: Click "Linear Functions and Graphing" then "Scatter Plots and Best-Fit Lines". There are 2 sections of videos here.

*Lesson 8-10: Systems of Equations: Click "Linear Functions and Graphing" then "Systems of Equations". There are 2 sections of videos to watch here.

- Pre-Algebra Chapter 9 Powers and Nonlinear Functions
### Pre-Algebra Chapter 9 Powers and Nonlinear Functions

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 link takes you to the Virtual Nerd Videos. Once there, click "Polynomials and Nonlinear Functions". Check out these videos in this section!

This site offers explanations and examples of monomials. The practice problems also include an answer key so that you can check your answers! The link below takes you to a page about exponents, but if you scroll to the bottom of the page, you can also get help with the following topics:

*Multiplying Monomials

*Dividing Monomials

*Simplifying Monomials

*Negative and Zero Exponents

*Scientific Notation

This site walks through several Powers of Powers problems to help you review the concept.

Use this site to explore Quadratic Functions.

This site allows you to manipulate the Standard Form equation for a Quadratic Function to analyze relationships and patterns.