These links will take you to Khan Academy videos to help you with topics from the unit you are struggling with.

Khan Academy can be changed to most world languages.  To change the language settings you do need to sign in with an account.  PPS students should just use their school google account.  Here is a video on how to change the language setting.  Here is a list of what languages Khan Academy supports with links to each language.

Unit 1: Ratios and Proportional Relationships

• Rate Problems with Fractions
  
• Constant of Proportionality

• Compare and Interpret Constants of Proportionality

• Identifying Proportional Relationships

• Graphs of Proportional Relationships

• Writing and Solving Proportions

• Equations of Proportional Relationships

• Scale Copies

• Scale Drawings
  
  

Unit 2: The Number System

• Intro to Adding Negative Numbers
  
• Intro to Subtracting Negative Numbers

• Adding and Subtracting with Negatives on a Number Line

• Adding and Subtracting Integers

• Adding and Subtracting Negative Fractions

• Addition and Subtraction Word Problems with Negative Numbers

• Absolute Value

• Properties of Addition and Subtraction

• Adding and Subtracting Negative Numbers with Variables 
• Converting Fractions to Decimals
• Properties of Multiplication and Division
• Order of Operations
• Multiply and Divide Negative Fractions
• Understanding Multiplying and Dividing Fractions
• Multiply and Divide Negative Numbers
  
• Multiplication and Division Word Problems with Negatives

Unit 3: Expressions and Equations

• Combining Like Terms
• The Distributive Property and Equivalent Expressions
• Interpreting Linear Expressions
• Two-Step Equation Intro
• Two-Step Equations with Decimals and Fractions
• Two-Step Equation Word Problems
• One-Step Inequalities
• Two-Step Inequalities

Unit 4: Geometry

• Area and Circumference of Circles
• Area and Circumference Challenge Problems
• Vertical, Complimentary, and Supplementary Angles
• Missing Angle Problems
• Constructing Triangles
• Slicing Geometric Shapes
• Scale Copies
• Scale Drawings
• Volume and Surface Area Word Problems

Unit 5: Statistics and Probability

• Basic Probability
• Probability Models
• Compound Events and Sample Spaces
• Comparing and Sampling Populations